performance

1.[c]表演；演出the act of performing a play, concert or some other form of entertainment

2.[c]艺术上的表现；演技the way a person performs in a play, concert, etc.

3.[u][c]表现；性能；业绩；工作情况how well or badly you do sth; how well or badly sth works

4.[u][sing]做；执行；履行the act or process of performing a task, an action, etc.

5.[sing](informal)（不必要的）麻烦，忙乱an act that involves a lot of effort or trouble, sometimes when it is not necessary

1.性能;特性

2.演奏;弹奏;演出;(驯兽等的)表演;把戏

3.行为,动作,行动;工作

4.执行,实行,履行;完成;实现;偿还

5.功绩;成绩

6.【物】演绩

1.the act of performing a play, dance, or other form of entertainment; the way that a person or group of people performs a piece of music or other entertainment

2.the process of doing a job or action

3.something that is difficult or complicated to do

4.the speed and effectiveness of a machine or vehicle; the standard to which someone does something such as a job or an examination; the degree of success of an investment in making money for you