performance /pəˈfɔːməns/ star4 CET4 TEM4 (performances)

• 1.  

  N-COUNT（可数名词） A performance involves entertaining an audience by doing something such as singing, dancing, or acting. 表演

  例：

  Inside the theatre, they were giving a performance of Bizet's Carmen.

  他们正在剧院里演出比才的《卡门》。

• 2.  

  N-VAR（有变体名词） Someone's or something's performance is how successful they are or how well they do something. 业绩; 性能

  例：

  That study looked at the performance of 18 surgeons.

  那项研究着眼于18位外科医生的业绩。

• 3.  

  N-SING（单数型名词） Theperformanceof a task is the fact or action of doing it. 执行; 实施

  例：

  He devoted in excess of seventy hours a week to the performance of his duties.

  他每周在自己职责的执行上投入超过70个小时。