基坑

基坑	jī kēng	foundation groove / trench for building foundation
基	jī	(bound form) base; foundation / (bound form) radical (chemistry) / (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)
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