have a lot on one’s ……………………………….: have a lot of things to worry about or deal with
plate
turn ………………. : fail or become unpleasant
sour
a hard ……………………………. to crack: a problem that is very difficult to solve or a person who is very difficult to understand
nut
bring home the ……………………………… : earn money to support your family
bacon
take sth with a pinch of …………………………... : doubt the truth or value of something
salt
sell like hot ……………………………….: be bought quickly and in large numbers
cake
spill the ………………………………. : tell people secret information
beans
have a ……………………………. in the oven: be pregnant
oven
be as cool as …………………………………….. : be very calm and relaxed, especially in a difficult situation
cucumber