| 单词 | (be) on the ball |
| 释义 | ● (be ) on the ˈball to be aware of and understand what is happening and able to react quickly 敏锐；机警◆ The new publicity manager is really on the ball . 新任宣传部经理的确精明干练。See also ball |
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英汉词典包含238766条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。