123456789101112Keywordentirelyutmostquiteto use upFrequency#5881Strokes12ReadingsdānMnemonic歹 (death) gives the meaning and 单 the sound.Stroke orderComposed of歹wicked单singleUsed in vocabulary殚精竭虑dānjīngjiélǜto exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly; to rack one's brains; to leave no stone unturned殚dānentirely; to exhaust殚心dānxīnto devote one's entire mind