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100

A piece of cake. 

Example: Putting the new desk together was a piece of cake.

It is easy. 

100

Break a leg. 

Example: Is your piano recital tonight? Well, break a leg!

Good luck. 

100

All ears. 

Example: The class was all ears when Ms. Ali mentioned a way to earn extra credit on the test.

Listening and paying attention. 

100

Break the ice. 

Example: OK, since none of us have met before, let’s introduce ourselves and break the ice by sharing our favorite ice cream flavor.

To start a conversation. 

100

Cost an arm and a leg. 

Example: A new PlayStation costs an arm and a leg, so you’d better start saving now if you want to buy one.

It's expensive. 

200

Bite the bullet. 

Example: After putting it off for several days, Alex decided to bite the bullet and start work on the history project.

To face a challenge with courage. 

200

Call it a day. 

Example: After working for three hours on her science fair project, Sofia decided to call it a day.

To stop working on something. 

200

A fish out of water. 

Example: It was Allison’s first day at her new school, and she felt like a fish out of water.

To feel out of place or different. 

200

Cutting corners. 

Example: Don’t cut corners on this project—it’s worth 50% of your grade!

To do something the easy way. 

200

Cool as a cucumber. 

Example: While everyone else panicked about the pop quiz, Inez was cool as a cucumber.

Someone who is very relaxed. 

300

A dime a dozen. 

Example: On this beach, seashells are a dime a dozen, especially at low tide.

Something that's common. 

300

A blessing in disguise. 

Example: Dashaun was disappointed he couldn’t go to the party, but after everyone who attended got food poisoning, it turned out to be a blessing in disguise.

Something unfortunate that turns out to be something good. 

300

At the drop of a hat. 

Example: Zari and Oscar love to travel; they often set off at the drop of a hat for somewhere new and exotic.

To do something instantly. 

300

Better late than never. 

Example: I was starting to think you weren't coming! But better late than never, right?

Better to be late than not go at all. 

300

Add fuel to the fire. 

Example: Celia added fuel to the fire by accusing the opposing team of cheating.

To make something worse than it already is. 

400

Beat around the bush. 

Example: Don’t beat around the bush. Just tell me why you can’t come to my birthday party on Friday.

To avoid saying what you mean. 

400

Bend over backwards

Example: I’ve been bending over backward to plan this party at the last minute.

To try very hard to do something, even if it causes you problems

400

Bone to pick. 

Example: I’ve got a bone to pick with you! You need to stop leaving your junk all over my desk.

To be angry at someone about something and want to talk about it

400

Let someone off the hook. 

Example: Logan was caught running in the hallway, but Ms. Walker let him off the hook because she knew he was late for the bus.

To not hold someone responsible for something. 

400

One the same page. 

Example: I think you and I are on the same page—we both agree that recycling is important.

To agree with someone