be busy with

• 忙于 ...

be busy with的用法和样例：

例句

1. I was busy with my children.
   我忙於照顾孩子。
2. The plan for the new book is on ice at the moment. I've been busy with too many other things.
   写那本新书的计划暂时搁一下，我一直忙于太多其它的事情。