我目前正忙于某一特殊工作。

I am rather busy with some special work at present.

youdao

我正忙于找工作。

I am busy looking for job.

youdao

我现在正忙于工作，所以无法和你一起吃午饭了。

I am busy with my work, so I can't have lunch with you.

youdao

我现在正忙于工作，所以无法和你一起吃午饭了。

I am busy with my work, so I can't have lunch with you.

youdao