IDIOMS

Idioms are a group of words established by usage as having a meaning not deducible from those of the individual words. Here are some example of idioms:

Idiom	Meaning
A blessing in disguise	a good thing that seemed bad at first
A dime a dozen	Something common
Beat around the bush	Avoid saying what you mean, usually because it is uncomfortable
Better late than never	Better to arrive late than not to come at all
Bite the bullet	To get something over with because it is inevitable
Break a leg	Good luck
Call it a day	Stop working on something
Cut somebody some slack	Don't be so critical
Cutting corners	Doing something poorly in order to save time or money
Easy does it	Slow down
Get out of hand	Get out of control
Get something out of your system	Do the thing you've been wanting to do so you can move on
Get your act together	Work better or leave
Give someone the benefit of the doubt	Trust what someone says
Go back to the drawing board	Start over
Hang in there	Don't give up
Hit the sack	Go to sleep
It's not rocket science	It's not complicated
Let someone off the hook	To not hold someone responsible for something
Make a long story short	Tell something briefly
Miss the boat	It's too late
No pain, no gain	You have to work for what you want
On the ball	Doing a good job
Pull someone's leg	To joke with someone
Pull yourself together	Calm down
So far so good	Things are going well so far
Speak of the devil	The person we were just talking about showed up!
That's the last straw	My patience has run out
The best of both worlds	An ideal situation
Time flies when you're having fun	You don't notice how long something lasts when it's fun
To get bent out of shape	To get upset
To make matters worse	Make a problem worse
Under the weather	Sick
We'll cross that bridge when we come to it	Let's not talk about that problem right now
Wrap your head around something	Understand something complicated
You can say that again	That's true, I agree
Your guess is as good as mine	I have no idea

Source: https://www.ef.com/wwen/english-resources/english-idioms/