performance /pəˈfɔːməns/
1.
N-COUNT 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》。
例：
...her performance as the betrayed Medea.
…她出演被出卖的美狄亚。
2.
N-VAR 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。
例：
The poor performance has been blamed on the recession and cheaper sports car imports.
业绩惨淡归咎于经济衰退和更便宜跑车的进口。
3.
N-SING 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。
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