渗坑

渗坑	shèn kēng	sewage pit
渗	shèn	to seep / to ooze / to horrify
坑	kēng	pit; hollow; depression / (mining) pit; shaft; tunnel / (literary) to bury alive / (coll.) to cheat; to scam; to screw over
坑	kēng	variant of 坑