vt.

1. 履行；执行；完成；做
   The young doctor performed the heart operation.

   这位年轻医生为病人做了心脏手术。

   They always perform their duties faithfully.

   他们总是忠实地履行自己的职责。

2. 演出，表演，演奏
   The students will perform an opera next Friday.

   这些学生下星期五将演出歌剧。

vi.

1. 演出，表演，演奏[（+on/at）]
   The soloist had never performed in London before.

   那位独唱者过去从未在伦敦演出过。

2. （机器）运转；（人）行动，表现[Q]
   Our team performed well in the match yesterday.

   我队在昨天的比赛中表现得很出色。

v.

1. carry out, accomplish, or fulfil (an action, task, or function).
2. work, function, or do something to a specified standard:
   the car performs well at low speeds.
   ▸(of an investment) yield a profitable return.
3. present (a form of entertainment) to an audience.