Some of the men have never done this kind of work before, so you`ve got to be on the qui vive for any mistakes.
这批人中有几个以前没有做过这类工作，所以你要留神看着，以免出错。
She was on the qui vive.
她在戒备着。
She was not on the qui vive, nor did she harbor hostility.
接着，女主人开始有条不紊的准备圣诞晚餐，没有丝毫的慌乱与不安，没有丝毫的警惕与敌意。
Mr Bloom actuated by motives of inherent delicacy inasmuch as he always believed in minding his own business moved off but nevertheless remained on the qui vive with just a shade of anxiety though not funkyish in the least.
布卢姆先生生来对人体贴周到！，又一向认为不应去多管旁人的闲事，所以移步走开了。他虽然丝毫也没感到害怕，却稍微有点儿放心不下，就警惕地停留在那里。
Just to make sure that the people were kept on the qui vive, the gendarmes every once in a while held a public execution.
为了镇慑人民，宪兵定期公开处决犯人。
Lee has an extraordinary talent for qui vive watchfulness in close-ups.
在对于特写镜头的警觉上，李安有一种非凡的天份。