Here are some common idioms and their meanings

Break a leg  – a good thing that seemed bad at first
Pushing up the daisies  – to be dead
To paint the town red  – to have a good time in town
To have a bun in the oven – to be pregnant
Blessing in disguise  –  something normally bad that turned out to be a good thing
A dime a dozen  – something very common
Beat around the bush. – not speaking directly about something important
to bite the bullet. – decided to do something unpleasant or difficult that one was avoiding.
Call it a night  – to go to bed
Got a chip on his shoulder  – to hold onto a grudge or grievance
Cut me some slack  – to be lenient with someone
Don’t cut any corners  – do not take any shortcuts and produce unsatisfactory work
The best of both worlds  – receiving the benefits from two different situations or opportunities
Bent out of shape  – to become very upset/ angry
Under the weather  – to feeling sick
Cross that bridge when you get there  – to solve a problem when the time comes
Can’t wrap my head around it  – just not able to understand something
A flash in the pan  – to show potential at the start but to fail afterwards
To be a good Samaritan – to help someone in need with no thought of a reward
To have an axe to grind – to have a problem with someone
Let sleeping dogs lie  – to avoid starting trouble by not disturbing
A situation get out of hand  – things get out of control
Back to the drawing board  – going to start over
Hang in there  – to stick with it
Jump the gun  – do something before the allotted time
Let off the hook  – to release from responsibility
Missed the boat  – to missed out on an opportunity
Once in a blue moon  – happens very rarely
Pull yourself together – calm down
Rubbed me the wrong way  – to not like someone at all
Speak of the devil – someone showing up when you were just talking about them
The straw that broke the camel’s back  – the last small thing before a huge reaction
You can say that again  – to totally agree with something
A storm in a teacup  – a big fuss over an unimportant matter