“Speak of the devil”

“Once in a blue moon”

Very rarely.

“Piece of cake”

Something very easy to do.

“Wrap one's head around something”

To understand something complicated.

“Hit the nail on the head”

To describe exactly what is causing a situation or problem.

“When pigs fly”

Something that will never happen.

“Break a leg”

A way to wish someone good luck.

“Bite off more than you can chew”

To take on too much responsibility.

“Better safe than sorry”

It’s better to be cautious than regret later.

“Kill two birds with one stone”

To achieve two goals with one action.

“Burn the midnight oil”

To work late into the night.

“The best of both worlds”

A situation where you enjoy two different advantages.

“Bite the bullet”

To face a difficult or unpleasant situation bravely.

“Beat a dead horse”

To waste time on something already decided.

“Time flies”

Time passes very quickly.

“Break the ice”

To do or say something that makes people feel more comfortable in a new or awkward situation.

“Take it with a grain of salt”

To not completely believe something.

“Ball is in your court”

It is your decision or responsibility now.

“Actions speak louder than words”

What people do is more important than what they say.

“A dime a dozen”

Very common and easy to find; not special or valuable.

“Beggars can’t be choosers”

People with no options must accept what they get.