busy with

• He is busy with some important work
  他正忙于处理一些重要的事情。
• Recently i have been quite busy with filming and promotions
  最近很忙，一直在拍电影和做宣传。
• Paolo : no , i was busy with work , what was it about
  没有，我当时正忙着工作的事。是关于什么的
• Mr smith is busy with writing a book
  史密斯先生正忙着写一本书。
• Teachers are busy with all the preparation and organization
  老师们正在为准备和组织工作忙碌着。
• Tall man : what are you busy with
  高个男人：你当时在忙什么呢？
• He is busy with some important work
  他正忙于处理一些重要的事情
• They are busy with prepartions , expecting the foreign guests
  他们忙着准准备，期待着外宾的到来。
• They ' re busy with the wedding
  她们为了准备婚礼忙的手忙脚乱
• I have been very busy with work , and do not have internet at home
  我一直都忙于工作，在家不能上网。