Nantoka/无效wú xiàoTraditional: 無效HSK 6无效 (wú xiào) is a Chinese word meaning “not valid; ineffective; in vain”.Meanings1not valid2ineffective3in vainPart of speechverbCharacters in 无效无mó · used in 南無|南无[na1 mo2]效xiào · to imitate (variant of 效[xiao4])Related words无法unable to; incapable of无used in 南無|南无[na1 mo2]无not to have无论no matter what or how毫无not in the least无聊bored无关unrelated无辜innocent无所谓to be indifferent效果result有效effective无论如何(idiom) whatever the case; in any event; no matter what; by all possible meansStudy Chinese with flashcards →