英 [pəˈfɔːməns] 美 [pərˈfɔːrməns]
n. 表演，演出；工作情况，表现；（投资的）业绩；执行，履行；麻烦，苦差事（a performance）；艺术上的表现，演技；（汽车的）性能；（语言学）语言表现，言语行为
adj. 性能卓越的，高性能的
[ 复数 performances ][1]
performance[1]
1、a dramatic or musical entertainment
"they listened to ten different performances"; "the play ran for 100 performances"; "the frequent performances of the symphony testify to its popularity"
同义词： public presentation
2、the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it
"they criticised his performance as mayor"; "experience generally improves performance"
同义词： execution carrying out carrying into action
3、the act of presenting a play or a piece of music or other entertainment
"we congratulated him on his performance at the rehearsal"; "an inspired performance of Mozart's C minor concerto"