忙得应接不暇

get one's hands full

忙得不可开交

be up to one's neck

很多很多事情

a million things

忙死忙活的

be as busy as a bee

忙得团团转

busy as a beaver

很忙的

be tied up

正忙于某事

in the middle of something

喘口气的功夫

time to catch one's breath

心译翻译工作室