Here are the meanings of the idioms :  Cover a lot of ground - To address or deal with a wide range of topics

a lot of ground - To address or deal with a wide range of topics or issues.

 Learn by heart / Learn by rote - To memorize something.
 Bite the bullet - To endure a painful or difficult situation with courage and determination.  Learn the hard way - To learn through personal experience, often involving difficulty
 Wake up and smell the coffee - To become aware of the reality of a situation, or failure.
especially when it is unpleasant or difficult.  Play hooky / Play truant - To skip school or work without permission.
 Easy does it - Proceed slowly and carefully.  Put on your thinking cap / The dunce cap - To think carefully or creatively / A
 Have all your ducks in a row - To be well-prepared and organized. symbol of stupidity or ignorance.
 Turn over a new leaf - To make a fresh start or change for the better.  School of thought - A particular set of opinions or beliefs.
 Going through the motions - Doing something without real interest or enthusiasm.  All bark and no bite - Someone who talks tough but does not act on their words.
 A piece of cake - Something very easy to do.  Barking up the wrong tree - To pursue a mistaken or misguided course of action.
 It is all in a day's work - Something that is a normal or expected part of one's job or routine.  Beat around the bush - To avoid addressing an issue directly.
 That is not my cup of tea - Something that is not to one's liking or preference.  Make hay while the sun shines - Take advantage of an opportunity while it's available.
 It is not brain surgery/It is not rocket science-It is not difficult to understand or  Blessing in disguise - Something that seems bad or unlucky at first but results in
do. good or fortunate outcomes.
 That is life - Used to express resignation to the way things are.  The cherry on top - Something additional that makes a good situation even better.
 You must be kidding - Used to express disbelief or skepticism.  Cream of the crop - The best of a group or category.
 Under the weather - Feeling slightly ill or unwell.  Cross your fingers - To hope for good luck or success.
 A dark horse - A person who keeps their abilities or intentions secret, surprising  Cutting corners - Doing something in the easiest or quickest way, often sacrificing quality.
others.  Make a long story short - To summarize a long or complicated story.
 Don't give up the day job - Used humorously to suggest that someone is not  Draw a blank - To be unable to remember or think of something.
very good at something.  Get your feet wet - To start or try something new.
 Hidden depths - Qualities or abilities that are not immediately apparent.  Go back to the drawing board - To start over because a plan or idea has failed.
 Speak of the devil - Used when someone mentioned appears unexpectedly.  Go the extra mile - To make an additional effort or go above and beyond what is required.
 Go the full distance - To complete a task or reach a goal.  Hold your horses - To be patient or wait.
 All dressed up with nowhere to go - Prepared for something that does not happen.  On the same page - To be in agreement or understanding with someone.
 A drop in the ocean - A very small or insignificant amount in comparison to what is needed.  On thin ice - In a risky or precarious situation.
 These things happen - Used to express acceptance of unfortunate events.  Out of the blue - Unexpectedly or without warning.
 Hit the headlines - To become the focus of media attention.  Play it by ear - To handle a situation as it develops without a plan.
 Just for the hell of it - Doing something for no particular reason.  Down the line - In the future or at a later time.
 There is no help for it - There is no solution or remedy.  Run in circles / Talk in circles / Beat around the bush - To avoid addressing a
 Overegg the pudding / Paint the lily - To overdo or exaggerate something unnecessarily.
topic directly or to be unproductive in conversation.
 Vote with your feet - To express an opinion or preference by taking action or
 See eye to eye - To agree or have the same opinion.
leaving a situation.
 Start off on the wrong foot - To begin something in a problematic or negative way.
 Talk the talk, walk the walk - To support one's words with corresponding actions.
 Take a rain check - To decline an invitation but suggest that you may accept it in the future.
 A storm in a teacup - A small problem or disturbance that is exaggerated.
 The ball is in your court - It's your turn to make a decision or take action.
 Back to basics - Returning to fundamental principles or essentials.  The early bird catches the worm - Being proactive or early in taking advantage of opportunities.
 The icing on the cake - Something additional that enhances a good situation.  A piece of cake: For the experienced chef, preparing a five-course meal was a piece
 The whole nine yards - To go all out or do everything possible. of cake.
 Think on your feet - To make quick decisions or respond effectively in a situation.  It is all in a day's work: Dealing with difficult customers is all in a day's work for
 Through thick and thin - Loyalty and support in good times and bad. customer service representatives.
 Under the table - Done secretly or dishonestly.  That is not my cup of tea: Horror movies are not my cup of tea; I prefer comedies.
 We will cross that bridge when we come to it - To deal with a problem only when it arises.  It is not brain surgery / It is not rocket science: Understanding the basic principles
 Wild goose chase - A futile or hopeless pursuit. of coding is not rocket science.
 A white elephant - Something expensive or burdensome that is not useful.  That is life: When things didn't go as planned, she sighed and said, "Well, that is
 Tell tales out of school - To reveal confidential or private information. life."
 Pass with flying colors - To succeed or do very well.  You must be kidding: "You won the lottery?" she exclaimed. "You must be kidding!"
 A bookworm - A person who loves reading or studying.  Under the weather: Feeling under the weather, he decided to stay home and rest.
 A hard nut to crack - A difficult problem to solve or person to understand.  A dark horse: Sarah turned out to be a dark horse in the competition, surprising
 Break a leg - Good luck. everyone with her skills.
 Easier said than done - Something is more difficult to do than to say.  Don't give up the day job: After his attempt at singing, his friends joked, "Don't
 Eat like a bird / Eat like a horse / Eat your words / Eat humble pie - To eat give up the day job!"
very little / To eat a lot / To take back what you said and admit you were wrong  Hidden depths: Despite his quiet demeanor, he had hidden depths of knowledge
/ To admit your error and apologize. and wisdom.
 What's eating you? - What is bothering or troubling you?  Speak of the devil: As they discussed her absence, she walked in, prompting
 Cry over spilled milk - To be upset about something that someone to say, "Well, speak of the devil!"
***  Go the full distance Despite the challenges, she was determined to go the full
distance and complete the project.
Examples:  All dressed up with nowhere to go: She felt like she was all dressed up with
nowhere to go when the event was canceled.
 Bite the bullet: Despite her fear of needles, she had to bite the bullet and get the
 A drop in the ocean: Donating a dollar to charity felt like
vaccination.
a drop in the ocean compared to the help needed.
 Wake up and smell the coffee: It's time to wake up and smell the coffee; you
 These things happen: After the vase broke, she shrugged and said, "Well, these
can't ignore the signs any longer.
things happen."
 Easy does it: As he recovered from surgery, the doctor advised him to take it
 Hit the headlines: The scandal hit the headlines and became the talk of the town.
slow and easy does it.  Just for the hell of it: He decided to take up painting just for the hell of it, with no
 Have all your ducks in a row: Before launching the new product, the company made
real goal in mind.
sure to have all their ducks in a row regarding marketing and logistics.
 There is no help for it: Despite their efforts, they realized that there was no help for
 Turn over a new leaf: After years of unhealthy habits, she decided to turn over a
it; the plan had failed.
new leaf and focus on her well-being.
 Overegg the pudding / Paint the lily: She tended to overegg the pudding with her
 Going through the motions: At work, he felt like he was just going through the
extravagant stories.
motions without any real passion.
 Vote with your feet: Unhappy with the service, customers often vote with their feet
and take their business elsewhere.
 Talk the talk, walk the walk: He not only talked about environmental conservation  Make a long story short: To make a long story short, they decided to skip the
but also walked the walk by volunteering at clean-up events. details and get to the point.
 A storm in a teacup: Their argument turned out to be a storm in a teacup, quickly  Draw a blank: When asked about the incident, he drew a blank and couldn't
resolved once they talked it out. remember anything.
 Back to basics: When confused, it's best to go back to basics and review the
 Get your feet wet: Before starting a new job, it's good to get your feet wet by
fundamental concepts.
learning the basics.
 Cover a lot of ground: The conference covered a lot of ground, addressing various
 Go back to the drawing board: After the initial design failed, they had to go back
topics in a short span.
to the drawing board and come up with a new plan.
 Learn by heart / Learn by rote: She preferred to learn by heart rather than
understanding the concepts.  Go the extra mile: To impress the clients, she always made sure to go the extra
 Learn the hard way: Ignoring the warnings, he had to learn the hard way that the mile in her work.
stove was hot.  Hold your horses: Before making a decision, it's important to hold your horses and
 Play hooky / Play truant: When school got boring, they decided to play hooky think it through.
and go to the movies.  On the same page: To work effectively, the team needs to be on the same
 Put on your thinking cap / The dunce cap: Before solving the puzzle, he had to page regarding the project goals.
put on his thinking cap.  On thin ice: After missing the deadline, he knew he was on thin ice with his boss.
 School of thought: In philosophy, there are various schools of thought regarding
 Out of the blue: The job offer came out of the blue, surprising her completely.
ethics and morality.
 All bark and no bite: Despite his threats, he was known to be all bark and no bite.  Play it by ear: Instead of planning every detail, they decided to play it by ear and
 Barking up the wrong tree: Accusing her of theft, they were barking up the wrong see how things unfolded.
tree as the real culprit confessed.  Down the line: He hoped to achieve his career goals down the line with hard work
 Beat around the bush: Instead of addressing the issue directly, she tended to beat and dedication.
around the bush.  Run in circles / talk in circles / beat around the bush: Instead of providing a direct
 Make hay while the sun shines: With the weather being perfect, she decided answer, he tended to run in circles and avoid the question.
to make hay while the sun shines and finish her outdoor chores.
 See eye to eye: Despite their differences, they managed to see eye to eye on the
 Blessing in disguise: Losing his job turned out to be a blessing in disguise as it project's direction.
pushed him to pursue his passion.
 Start off on the wrong foot: Due to a misunderstanding, they started off on the
 The cherry on top: Winning the award was great, but receiving a scholarship wrong foot and had to work on improving their relationship.
was the cherry on top.
 Take a rain check: Unable to attend the party, she had to take a rain check and join
 Cream of the crop: Among all the applicants, she was considered the cream of the the next time.
crop due to her impressive qualifications.
 The ball is in your court: After presenting the options, the ball is in your court to
 Cross your fingers: Cross your fingers for good luck before the interview. make the final decision.
 Cutting corners: Instead of following the instructions, he tried cutting corners to  The early bird catches the worm: Remember, the early bird catches the worm, so be
finish the project quickly. prepared for the competition.
 The icing on the cake: Winning the championship was amazing, but receiving a
scholarship was the icing on the cake.
 The whole nine yards: When planning the event, they went the whole nine
yards to ensure everything was perfect.
 Think on your feet: In a fast-paced environment, it's important to think on your
feet and make quick decisions.
 Through thick and thin: Friends support each other through thick and thin, no
matter the circumstances.
 Under the table: The deal was made under the table, away from public scrutiny.
 We will cross that bridge when we come to it: Instead of worrying about the
future, let's cross that bridge when we come to it.
 Wild goose chase: Searching for the missing keys turned out to be a wild goose
chase as they were in his pocket all along.
 A white elephant: The antique vase was beautiful but ended up being a white
elephant as it didn't fit with the decor.
 Tell tales out of school: Gossiping about colleagues and spreading rumors is
like telling tales out of school.
 Pass with flying colors: Despite the challenging exam, she managed to pass with
flying colors.
 A bookworm: Spending hours reading books, she was known as a
bookworm among her friends.
 A hard nut to crack: Solving the complex puzzle proved to be a hard nut to crack.
 Break a leg: Before the performance, the actors wished each other good luck by
saying, "Break a leg!"
 Easier said than done: While giving advice is easy, actually following it is easier
said than done.
 Eat like a bird / Eat like a horse / Eat your words / Eat humble pie: After boasting
about his skills, he had to eat his words when he failed the challenge.
 What's eating you?: Concerned about her friend's behavior, she asked, "What's
eating you?"
 Cry over spilled milk: Instead of worrying about the mistake, it's better to move
on and not cry over spilled milk.