busy怎么使用

问题描述

精选答案

busy作形容词，意为“忙碌的；无暇的”。

反义词为free，意为“空闲的”。其常用结构为:1. be busy doing sth.忙于做某事例：He is busy at work. 他忙着工作。

2. be busy with sth.忙于某事。例：Jean is busy with her work. 琼忙于自己的工作。

3. be busy in doing sth, in可以省略。例：I am busy writing a novel. 我正忙于写小说。