peep through

例句：

1. 1.She peeked through the keyhole to see what was happening in the other room.
   她通过钥匙孔偷看隔壁房间发生了什么。
2. 2. The thief tried to sneak in through the back door without being seen.
   小偷试图从后门偷偷溜进来，以免被发现。
3. 3. He peeked through the window to see if anyone was watching.
   他透过窗户偷看是否有人监视。