be busy with sth

be busy with sth 基本解释

忙于某事

be busy with sth 用法和例句

1、be busy with sth.

忙于做某事

重点词汇

busy adj. 忙碌的；占线；繁华的；爱管闲事的 vt. 忙着做某事；使奔走；使经营 n. 〈英俚〉侦探；包打听

with prep. 和，跟；随着；关于；和…一致