apple of her/his eye
MEANING: someone or something that one likes a lot
The little girl is the apple of her grandfather’s eye.
MEANING: a bad person, bum
That man is a bad egg so you should try and avoid him if you can.
MEANING: an important person, a leader
He is a big cheese in his company so you should be very nice to him.
bread and butter
MEANING: basic needs of life (food,shelter,clothing)
The voters are worried about bread and butter issues like jobs and taxes.
bring home the bacon
MEANING: earn your family’s living
Recently he has been working very hard trying to bring home the bacon. He has no time to do anything else.