| 词组 | be on the ball |
| 释义 | be on the ball informal to be quick to understand and to react to things. I rely on my co-driver to be on the ball. I didn't sleep well last night and I'm not really on the ball today. |
| 随便看 |
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英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。