丹精 たんせい Also written 丹誠 Meanings Noun, する verb, Intransitive working earnestly; sincerity; diligence; effort; pains Kanji 丹 vermilion. Read as タン. 精 spirit. Read as セイ. Common phrases 丹精を込める 丹精込める (たんせいこめる) to take pains (doing something) Words containing 丹精 丹精込める (たんせいこめる) to take pains (doing something) Jinuma: Japanese Dictionary · Word lists