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首页 - 英汉词典 - O字开头的单词或词组 - on the ball

英语解释

on the ball

汉语翻译

机警的, 勤奋的, 高明的

on the ball例句

The new clerk is really on the ball. He's already improved the filling system in the office.
新来的办事员真能干，他已经改进了办公室文件归档的方法。
If you don't get on the ball and start studying harder, you're going to flunk.
如果你不积极进取，更加努力学习，你就会考不及格的。
The new publicity manager is really on the ball.
新的宣传部主任确实很内行。
The great value of Jack as a committee man is that he is always on the ball.
作为一名委员，杰克的巨大作用是始终保持警惕。

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to keep one's eye on the ball keep one's eye on the ball have something on the ball have nothing on the ball be on the ball a blot on the landscape a slap on the wrist a shoulder to cry on a pat on the back add on agree on alight on

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