be busy with

be busy with忙于……

【例句】

◆ She is always busy with her housework．她总是忙于家务劳动。

◆ Many people are busy with daily life．很多人为日常生活而忙碌。

【联想】

be busy doing sth．忙于做某事：

They are busy watering the trees．他们正忙于给树浇水。