我正忙着做肉馅饼。

I'm busy making meat pies.

youdao

门前放着一把整洁的新椅子，老人正忙着做第二把椅子。

There before the door stood a neat new chair, while the old man was busy making a second.

youdao

我正忙着做正餐吃的馅饼，这时电话响了。

I was in the middle of making a pie for dinner when the telephone rang.

youdao