busy as a bee

(as) busy as a ˈbee

very busy
See also: bee, busy
References in classic literature ?
Colonel," said she, with her usual noisy cheerfulness, "I am monstrous glad to see you--sorry I could not come before--beg your pardon, but I have been forced to look about me a little, and settle my matters; for it is a long while since I have been at home, and you know one has always a world of little odd things to do after one has been away for any time; and then I have had Cartwright to settle with-- Lord, I have been as busy as a bee ever since dinner