snore

His grandfather snores so loudly that he can be heard from the next room.

(Chinese) 他祖父打呼噜的声音非常大，在隔壁房间都能听到。

I couldn't sleep at all because my roommate started to snore the moment he hit the pillow.

(Chinese) 我根本睡不着，因为我的室友一沾枕头就开始打呼噜。