perform的名词表演者performer；
performern.表演者；演出者；演员；表现得…者
He is a performer who consistently pushes the envelope of TV comedy.
他是一个在电视喜剧表演中不断寻求突破的演员。
He was the star performer at the championships.
他是那届锦标赛上的最佳运动员。
She was no mean performer on a variety of other instruments
许多别的乐器她也演奏得相当出色。
