performance
n.表演;演出;艺术上的表现;演技;表现;性能;业绩;工作情况
复数： performances
例句：
He swept into the lead with an almost perfect performance.
他以几近完美的表现跨入领先位置。
She was happy enough with her performance.
她对于自己的表现还算满意。
His performance is completely over the top.
他的表演完全过火了。
