效率

这zhè餐厅cāntīng的de服务fúwù一点yīdiǎn效率xiàolǜ也yě没有méiyǒu。

The service in this restaurant is none too fast.

你们nǐmen的de效率xiàolǜ太tài低dī了le。

It is inefficient of you.

这些zhèxiē学生xuésheng很hěn努力nǔlì，但dàn效率xiàolǜ不bù太tài高gāo。

These students work hard, but it's not that much efficient.

如何rúhé提高tígāo工作gōngzuò效率xiàolǜ是shì我们wǒmen现在xiànzài要yào面临miànlín的de难题nántí。

The challenge we are going to face is how to increase work efficiency.