分类：教育/科学-外语学习-英语考试
问题：英语忙于做某事英语中有许多意思是“忙于做某事”的短语，都有哪些呢 
中有许多意思是“忙于做某事”的短语，都有哪些呢？又有什么具体意义呢？
回答：be busy (in)doing sth.             be busy with sth.
be woking on sth                   focus on sth.
be occupied with sth               be engaged in sth. 
to busy oneself in doing sth       be preoccupied with
be busy with sth.                  be employed in doing sth