发挥英文是exert; develop; bring into play; give play to;

例句

Both central and local initiative should be brought into play.

我对德里克·兰德尔发挥重要作用寄予厚望。

The UN would play a major role in monitoring a ceasefire.

这虽然不是什么新想法，但是我将它发挥到了更好。

Members of the council agreed that it still had an important role as a forum for discussion

我对他发挥的领导作用表示赞扬。