Nantoka/诚心chéng xīnTraditional: 誠心诚心 (chéng xīn) is a Chinese word meaning “sincerity”.Meanings1sincerityCharacters in 诚心诚chéng · (bound form) sincere; authentic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 →