Bite off more than you can chew
To take on a task that is way too big
An arm and a leg
A lot of money
At the drop of a hat
Immediately
Beat around the bush
Avoid answering a question
Don’t judge a book by its cover
Don’t judge something by its appearance
Curiosity killed the cat
Being too curious can get you into trouble
Give the benefit of doubt
Believe someone’s statement without proof
Hit the sack / sheets / hay
To go to bed.
Jump on the bandwagon
Join a popular trend
Kill two birds with onestone
To solve two problems at a time with just one action
Once in a blue moon
Very rarely
Out of the blue
Happen unexpectedly
See eye to eye
agree with someone
Raining cats and dogs
Raining heavily
Take with a grain/pinch ofsalt
To doubt the accuracy of information
It takes two to tango
Both people involved in a bad situation are responsible for it.
