JMdict: 1416940

丹精 【たんせい】

  1. [n,vs,vi] working earnestly; sincerity; diligence; effort; pains
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Rust-colored, Red, Red Lead, Pills, Sincerity タン
Refined, Ghost, Fairy, Energy, Vitality, Semen, Excellence, Purity, Skill セイ, ショウ しら.げる, くわ.しい