| 单词 | to be on the ball |
| 释义 | ◆to be on the ball机警；警觉；有把握 Thanks for pointing that out; you're on the ball this morning.谢谢你指出了这一点, 你今天上午很机敏。 She really is on the ball, she doesn't miss much.她非常警觉, 漏掉的东西不多。 See ball |
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