我一定会时刻睁大眼睛提防他的行为。

I shall certainly keep a beady eye on his behaviour.

《牛津词典》

睁大眼睛看清楚离你较远的物体。

Let your eyes focus on objects that are further away from you.

《牛津词典》

县法官：是的。但我想要看看你拿的东西，彼得斯夫人，请睁大眼睛注意可能对我们有用的任何东西。

County attorney: Yes, but I would like to see what you take, Mrs Peters, and keep an eye out for anything that might be of use to us.

youdao