天真爛漫 てんしんらんまん Meanings な-adjective, Noun innocent; naive; artless; unaffected; genuine; childlike Kanji 天 heaven. Read as テン. 真 true. Read as シン. 爛 be sore; inflamed; bleary. Read as ラン. 漫 cartoon. Read as マン. Example sentences あの子たち、みんな天真爛漫ね。They are all innocent children. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists