不留神的 meaning in English

unguarded

Or it can sneak up on you when you ' re not even looking
死神随时降临当你一不留神的时候
We shall do it while they aren t looking : for their own good , to save the industry
为了他们自己的益处，为了救护工业，我们要当他们不留神的时候，把事情摆布好了。 ”
It seemed to rostov at one time that bogdanitch was only feigning inattention , and that his whole aim was now to test the ensigns pluck ; and he drew himself up and looked about him gaily . then he fancied that bogdanitch was riding close by him on purpose to show off his own valour
罗斯托夫时而觉得波格丹内奇只是装出一副不留神的样子罢了，他这时的意向全在于考验一名士官生的勇敢精神，他于是挺直胸膛，十分愉快地向四周张望。