perform 动词，表演,表现

performer 名词,表演者，演出者

performance 名词，表演，表现

例如

Tom performed quite well in the final exam.

汤姆在期末考试中表现很好。

Mary is a good performer because she can give good performances at any time.

玛丽是一个优秀的演员，因为她任何时候都能奉献极好的演出。