忙于

忙于 [máng yú]

1. ■ be busy at [about; over; with]; busy oneself with [at; in]; on the wing:

忙于工作 be busy at work;

蜜蜂忙于采蜜。 The bees busied themselves at making honey.

他正忙于为他的小说收集资料。 He is on the wing gathering material for his novels.