殚精极虑殫精極慮

dān jīng jí lǜ

Meaning

to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly; to rack one's brains; to leave no stone unturned

Learn in the app → Write in stroke order

Characters

殚dānutmost, entirely, quite; to use up歹单精jīngessence, germ, spirit米青极jíextreme, top; final, furthest, utmost; pole木及虑lǜanxious, concerned, worried虍心