have (or keep) one's eyes peeled
提高警觉
A：What are you worrying about?
A:你在担心什么?
B:I am worrying about my husband.
B：我在为我丈夫担心。
A:Where is he? Is he in danger?
A：他在哪儿?他有危险吗?
B:You know. he is a taxi driver. He has to have his eyes peeled all the time when he drives, especially during the rush hour.
B：你知道，他是个出租车司机。他开车时，必须一直提高警觉，尤其是在交通高峰期。