IDIOMS as busy as a bee
very busy
as busy as a beethe bee's knees
(informal, old-fashioned) an excellent person or thingShe thinks she's the bee's knees (= she has a very high opinion of herself).the bee's kneesthe birds and the bees
(humorous) the basic facts about sex, especially as told to childrenthe birds and the beeshave a bee in your bonnet (about something)
(informal) to think or talk about something all the time, and to think that it is very importantOur teacher has a bee in his bonnet about punctuation.have a bee in your bonnethave a bee in your bonnet about