1.
Stay sober but pretend to be drunk, and stay awake but pretend to be asleep.
保持清醒，但假装喝醉了；保持警觉，但假装睡着了。
2.
He keeps his eyes open and knows the situation clearly.
他总是保持警觉，对形势了如指掌。
3.
The constant threat of danger kept us all on our toes.
我们因随时都会发生危险而保持警觉.
4.
She was always on the alert for some new calamities.
她总是保持警觉以防某种新的灾难。
5.
You must be alert to the coming danger.
你必须对于正在接近的危险保持警觉。
6.
The constant threat of danger keep us all on our toes
我们因随时都会发生危险而保持警觉
7.
You need your wits about you when you're driving.
你开车时需随时保持警觉。
8.
She is always on the alert for some new calamity
她总是保持警觉以防某种新的灾难
9.
The spirited competition kept them on their toes.
激烈的竞争使他们保持警觉。
10.
To keep watch or guard, especially over a corpse.
看守，守灵保持警觉或警惕，尤指对一个尸体
11.
In a lotus posture you can keep alertness to the very end.
以莲花坐的姿势你就能保持警觉直至最尽头。
12.
In this part of the city you have to keep your wits about you all the time.
在该城市的这一地区你一定得随时保持警觉。
13.
In this part of the city you have to keep your wit about you all the time
在该城市的这一地区你一定得随时保持警觉
14.
He has to learn how to remain vigilant through these long nights.
他得学会如何在这漫长的黑夜里保持警觉。
15.
When faced with danger, we must be alert and ready for action.
面对危险时，我们必须保持警觉，并随时准备行动。
16.
Keep on your toes, lads, the attack is expected at any moment.
小伙子们，要保持警觉，敌人随时可能来袭。
17.
Although malignant transformation of chronic DLE lesions is uncommon, a high index of suspicion and need for continued surveillance is still warranted.
虽然由红斑性狼疮发生的肿瘤比较罕见，可是还是要保持警觉。
18.
The creamy, sweet taste had a soothing effect on the soldiers, helped keep them alert,
这种乳滑、甜美的滋味对士兵具有抚慰作用，有助于他们保持警觉，