sneak

The burglar sneaked into the jewelry store through a small back window at midnight.

(Chinese) 窃贼在午夜时分通过一扇小的后窗偷偷溜进了珠宝店。

I tried to sneak out of the meeting early without the boss noticing me.

(Chinese) 我试图在老板没注意到我的时候偷偷溜出会议室。