Idiom 1
Idiom 2
Idiom 3
Idiom 4
Idiom 5
100

We see eye to eye

We agree

100

Pull yourself together

Calm down

100

Run like the wind

Move fast

100

Hang in there

Don't Give Up

100

Costs an arm and a leg

Expensive

200

Like riding a bike

Something you never forget how to do

200

Once in a blue moon

It happens rarely

200

It's not rocket science

It's not that hard

200

Take a rain check

Postpone a plan

200

I'm on the fence

I can't make up my mind, could go either way

300

Break the ice

Make people feel more comfortable 

300
Hit the Sack

Go to Bed

300

You can't have your cake and eat it too

You can't have it both ways, you can't have everything

300

Give someone the cold shoulder

Ignore someone

300

He's off his rocker

He's crazy

400

Pull someone's leg

To joke with someone

400

That ship has sailed 

It's too late

400

He's a chip off the old block

The son is like the father

400

On thin ice

If you make another mistake, there will be trouble

400

Ignorance is bliss

You're better off not knowing

500

Fit as a fiddle

Healthy

500

Beat around the bush 

Avoid saying what you mean, usually because it is uncomfortable

500

Take it with a grain of salt

Don't take it too seriously 

500

It takes two to tango

One person alone isn't responsible. Both people are involved.

500

Jump on the bandwagon

Follow a trend, do what everyone else is doing