It didn't say much for their efficiency that the order arrived a week late.

订货晚到了一个星期，可见他们的效率难以恭维。

《牛津词典》

The director dusted his staff down about the drop in their efficiency.

主任因工作效率下降而训斥员工。

youdao

Both tugs are fitted with a Kort Nozzle to improve their efficiency.

拖船都配备了一个导筒来提高他们的效率。

youdao

"Very encouraging, I think they've made a lot of significant progress especially in command and control and the quality of their Kandaks and their efficiency."

VOA: standard.2010.05.26

The argument is that their efficiency gives them an unfair advantage over mom-and-pop operators.

FORBES: Opiate of the masses

By indicating which buildings most needed their attention, big data analysis improved their efficiency fivefold.

FORBES: What's to be Done about Big Data?

They are hoping that improving the structure of the cells will help to boost their efficiency, too.

ENGADGET: Stanford researchers create 'world's first' all-carbon solar cell, do it on the cheap