perform
/pəˈfɔ:m; pɚ`fɔrm/ v
1 [Tn] do (a piece of work, sth one is ordered to do, sth one has agreed to do) 做, 执行, 履行（某事）
perform a task, one's duty, a miracle 执行任务、 履行义务、 做出奇迹
perform an operation to save his life 动手术挽救他的生命.
2 [I, Ipr, Tn]
act (a play), play (a piece of music) or do (tricks) to entertain an audience 表演（戏剧）; 演奏（音乐）; 表演（戏法）
They are performing his play/piano concerto tonight. 他们今晚演出他的剧[钢琴协奏曲].
watch sb perform 看某人表演
perform skilfully on the flute 熟练地吹奏横笛
perform live on television 电视实况演出 *performing seals in a circus 在马戏团里表演驯海豹.
3 [I](with an adv 与副词连用) (of a machine, an invention, etc) work or function （指机器等）工作, 运转; （指发明等）运用, 使用
How is the new car performing? 新汽车性能如何?
The new drug has performed well in tests. 那种新药试验效果不错.
4 [Tn] act in an official way (at sth) 正式进行, 施行（某事）
perform a ceremony, rite, ritual, etc 举行典礼、 仪式等.