he went through the network of galleries the sprites had been digging, and across the charred plains, without anyone noticing he had left, apart from his brother and some of his closest friends.
他走过精灵们已经挖掘的长廊,空过烧焦的平原,没人注意到他已经离开,离开了他的兄弟和最亲近的朋友。
he entered the room without anyone noticing him.
他进入房间而没被察觉。
he passed by without anyone noticing him.
他从旁边走过,谁也没有注意到他。
i imagine you can shade your activities in gradually, without anyone noticing .
我想你可以不让别人察觉慢慢地开展活动。
without anyone noticing , john slipped out of the classroom.
约翰神不知鬼不觉地溜出了教室。
without anyone noticing , he slipped through the window.
没人注意,他从窗户溜了出去。