keep an eye on 留意
be alert 保持警惕
be sharp 敏锐
be watchful 警惕
stay tuned 保持关注
1. She is always on the ball when it comes to financial details.
她在财务细节方面总是非常敏锐。
2. You need to be on the ball or you will miss the important updates.
你需要保持警觉，否则会错过重要的更新。
3. The manager was on the ball and noticed the mistake immediately.
经理反应很快，立刻注意到了那个错误。
A: Did you catch the error in the report?
A：你发现报告里的错误了吗？
B: Yes, I was on the ball and fixed it before sending it.
B：是的，我很警觉，在发送之前就修正了它。
1) 形容人反应快，能迅速察觉问题
2) 形容人对工作细节关注度高，不容易出错
3) 形容人在社交或职场中懂得察言观色，处理得当
1. 机警的；敏锐的；反应快的
e.g.
She's a very on-the-ball journalist.
她是一位非常敏锐的记者。
idiom
1. Alert and quick to respond to problems or changes; attentive to details.
2. Keenly aware of what is happening around one.
Synonym: sharp, astute, perceptive