Nantoka/昧心mèi xīn昧心 (mèi xīn) is a Chinese word meaning “against one's conscience”.Meanings1against one's conscienceCharacters in 昧心昧mèi · to conceal心xīn · heartRelated words担心anxious心heart小心to be careful开心to feel happy关心to be concerned about; to care about中心center; heart; core恶心nausea恶心bad habit恶心variant of 惡心|恶心[e3 xin1]心理psychology; mentality心脏heart心里chestStudy Chinese with flashcards →