be instrumental in

• adj. 有助于(有利于)

be instrumental in的用法和样例：

例句

1. Our artistic director was instrumental in persuading the orchestra to come and play for us.
   我们的艺术指导大费唇舌请来管弦乐队为我们演出。
2. Our artistic director was instrumental in persuading the orchestra to come.
   我们的艺术指导帮助请来管弦乐队。
3. I was instrumental in catching the criminal.
   我曾经协助捉拿这罪犯。