来自perform,履行，表现。引申词义性能等。

1. At the highest executive levels earnings and performance aren't always correlated.

在最高管理层，收入与工作表现并不总是相关的。

2. The camera combines rugged reliability with unequalled optical performance and speed.

这款相机既坚固耐用，又有超凡的光学性能和快门速度。

3. There is no provision for funding performance-related pay rises.

没有为与业绩挂钩的加薪预作资金准备。

4. The orchestra gave its first performance on Whit Monday.

乐团在周一的圣灵降临节举行了首场演出。

5. Experts agreed that this was a truly sensational performance.

专家们一致认为这的确是一场精彩绝伦的演出。