Idiom to say someone's revealed a secret carelessly or by mistake
let the cat out of the bag (or spill the beans)
Idiom to say everyone pays equal share for something.
go Dutch
Idiom to say something sounds vaguely familiar.
rings a bell
Idiom to say something is very difficult (impossible) to compare.
comparing apples and oranges
Idiom to say something is difficult to understand.
clear as mud
Idiom to say that two or more people are in the same difficult situation.
in the same boat
Idiom to say someone's lost an ability they once had.
lost their touch
Idiom to say someone is modest, practical, unassuming and unpretentious
Down to earth
Idiom to say someone's forced to do something that they'd would rather not.
back is against the wall
Idiom to say someone is out of danger or difficulty
out of the woods
When you put your efforts in something that will never give you the result you want.
Barking up the wrong tree
Idiom to say that something's in the past and so no longer important
water under the bridge
Idiom to say someone was born into a very wealthy family.
born with a silver spoon in his mouth
Idiom to say you choose not to be in a position of responsibility or power.
take a back seat
Idiom to say something seems bad at first but provides some benefit in the end.
a blessing in disguise