performance是可数名词。当performance是可数名词时，含义为“演出”、“表演”、“表现”、“行为”、“成就”，复数形式为performances；当performance作不可数名词时，含义为“履行”、“执行”、“性能”、“工作情况”。
performance的中文含义及用法介绍
performance可作可数名词，也可作不可数名词，意为表演;演出;艺术上的表现;演技;表现;性能;业绩;工作情况。
例句：The performance starts at seven.
演出七点开始。
one of the band's rare live performances
那个乐队少见的一次现场演出
She gave the greatest performance of her career.
她做了演艺生涯中最精彩的表演。
It was an impressive performance by the French team.
那是法国队一次令人叹服的表现。
She has shown enthusiasm in the performance of her duties.
她在工作中表现出对工作的热忱。
It's such a performance getting the children off to school in the morning.
早上打发孩子上学可要忙乱一阵子呢 。
That study looked at the performance of 18 surgeons...
那项研究调查了18名外科医生的工作表现。
He devoted in excess of seventy hours a week to the performance of his duties...
为了完成任务，他每周工作70多个小时。
The government is long on ideas but short on performance.
这个政府想法很多但执行的却太少。
It's a fine performance that commands attention from first to last.
这是个精彩的演出，自始至终都扣人心弦。
It was a typically robust performance by the Foreign Secretary.
这是外交大臣典型的有信心的表现。
The company's performance was impacted by the high value of the pound.
公司的业绩受到了英镑高值的冲击。
（责任编辑：谢家骅）
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