Nantoka/洞口dòng kǒu洞口 (dòng kǒu) is a Chinese word meaning “cave mouth; tunnel entrance”.Meanings1cave mouth2tunnel entranceCharacters in 洞口洞dòng · cave口kǒu · mouthRelated words口mouth洞cave洞used in 洪洞[Hong2 tong2] (the name of a place in Shanxi)伤口wound借口to use as an excuse开口to open one's mouth出口an exit口袋pocket门口doorway人口population口音(linguistics) oral speech sounds口音voiceStudy Chinese with flashcards →