bu busy with /on sth

来源：学生作业帮助网编辑：作业帮时间：2024/05/04 02:15:22

be busy with sth.是固定搭配,译为：忙于某事
be busy doing sth.也是固定搭配,译为：忙于做某事.（接动词的名词形式）
be busy+on不是固定搭配,可能有,例如：I'm busy on the farm.译为：我在这个农场很忙.

只见过be busy with sth ,没见过on 在后面的，应该没有！
希望对你有所帮助！

be busy with 是固定用法，正确。on不可以。
英语固定短语中的介词有时候不讲道理，是约定俗成的，不能随意更改。
正如汉语中，你说一个人很高，没问题，你说一个人很长，嘿嘿，不行，尽管他真的很长。

嗯，都可以的

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