busy in preparing for

• 忙于准备 ...

busy in preparing for的用法和样例：

例句

1. We are busy providing for the feast.
   我们忙于准备宴席。
2. Jean did not have time to go to the concert last night because she was busy preparing for her examination.
   吉恩昨晚没有时间去音乐会因为她忙于准备她的考试。