Where he HAD been or how he HAD returned to his room unnoticed was a mystery he made no attempt to explain.
他刚才上哪去了，他又怎么会神不知鬼不觉地回到了自己的房间里？这是一个谜，他也无意作解释。Give him a time, place and rough personal description and he will come to draw you -- although you might never realize.
只要写下时间、地点与大略的个人描述，他就会神不知鬼不觉地抵达会面地点，为名人作画。Revenge is like a poison . It can take us over before you know it , it can turn you into something ugly .
仇恨就像一瓶毒剂。它会神不知鬼不觉地侵蚀我们，它能将你变得面容狰狞。Barbara felt slightly sick. She caught Teddy Osch's eye. Barely perceptibly, the creative director shook his head.
巴巴拉稍有点恶心，她看到了特迪·奥许的眼色，创作部主任简直是神不知鬼不觉地摇了摇头。Besides, the truth of great music sticks to memory, penetrating the ear with facility and parting the memory with difficulty.
不仅如此，内存真理的伟大音乐作品总让人永志不忘，让人不觉地听入耳里而久久不离。My leisure, sleep in a bed, hand since unknowingly touched a book, just look at a few pages, in which the hero deeply attracted me.
我闲暇下来，睡在床上，手不自不觉地触碰到了一本名著，随便翻看了几页，里面的主人公深深的吸引了我。Used to cloak himself while infiltrating enemy ranks and eliminating targets without detection.
可以使自身隐形，从而渗透进敌方并神不知鬼不觉地消灭目标。He worked his ideas into the business without letting anyone realize what he was doing.
他神不知鬼不觉地把他的想法渗透进这项生意。After settling on the right price, you are led out of China on a secret path that lies beyond the knowledge of humans and ghosts.
谈妥价格之后，你就会被带上一条秘密小路，神不知鬼不觉地离开中国。