be vigilant, be on the lookout, be on one's guard, be careful.
警惕的，小心戒备着。
under the vigilant eye of the examiner
在检查员警惕的目光下.
A due watchfulness on the movements of the enemy was maintained.
他们对敌人的行动还是相当警惕的。
we are more wary of the enchantments of beauty.
更加警惕美丽的迷惑力。
always on guard against shadowing submarines.
时刻警惕跟踪的潜艇。
Police warned the public to be on the alert for suspected terrorists.
警方警告群众警惕涉嫌的恐怖分子。
The warning sign was put there for the benefit of the public.
那儿设立了警告牌以引起人们的警惕.
F-ed is forearmed.
[谚]警惕即警备。
The act or process of keeping awake or mentally alert, especially for the purpose of guarding.
警惕保持清醒或精神上警惕之动作或过程，尤指为保卫的目的
Invoking Teleology:Kant s Posture of Anti-modernity;
目的论的援引:康德警惕现代性的姿态
The echoes of the hills awakened his distrust.
那隆隆的回音引起了他的警惕。
Be on guard against those who try to lie themselves into our confidence.
警惕那些用谎言来骗取我们信任的人。
Countries have to keep an eye on martial nations.
各国不得不时时警惕着好战的国家。
You must stay wide-awake against possible dangers.
你必须保持警惕,防止可能的危险。
Aware of the risks involved.
警惕地意识到所陷入的危险
We must maintain keen vigilance at all times.
任何时候我们都要保持高度的警惕。
The empty house alarmed him.
空荡荡的房子让他提高了警惕。
It is important that health organizations remain watchful.
卫生组织保持警惕是极为重要的。