Idioms 1
Idioms 2
Idioms 3
Idioms 4
Idioms 5
100

To die.

To kick the bucket.

100

To go to bed.

To hit the hay.

100

To be expensive.

To cost an arm and a leg.

100

To do or say something that is exactly right.

To hit the nail on the head.

100

To be unwell

To be under the weather. 

200

To reveal secret information unintentionally or indiscreetly.

To spill the beans.

200

To miss an opportunity or chance.

To miss the boat.

200

Not to judge someone or something based only on what you see on the outside or only on what you perceive without knowing the full situation.

To not judge a book by its cover.

200

To be in full agreement.

To see eye to eye.

200

To get something unpleasant over with.

To bite the bullet.

300

To not do something properly.

To cut corners.

300

To discuss a matter without coming to the point.

To beat around the bush.

300

To get to the bottom of something.

To find out the truth about something. 

300

Hold your horses.

Be patient. Wait.

300

To fail to persist, be discarded

To fall by the wayside.

400

It is unwise to make plans based on something that hasn't happened.

Don't count your chickens before they hatch.

400

To sample the same unpleasantness you‘ve been dishing out to others.

To get a taste of your own medicine.

400

To deal decisively with a difficult or dangerous situation.

To take the bull by the horns. 
400

To fight against an opponent by using the same methods or weapons that the opponent uses.

To fight fire with fire.

400

To commit an avoidable error in which something good or of value is eliminated when trying to get rid of something unwanted.

To throw out the baby with the bathwater.

500

It's all Greek to me.

I don't understand it.

500

It's not my cup of tea.

It isn't something I like.

500

It's a piece of cake.

It's easy.

500

Break a leg!

Good luck!

500

To sit on the fence.

To not be willing or able to make a decision about something.