殚精极虑 (殫精極慮) dān jīng jí lǜ

dān jīng jí lǜ set phrase to exhaust one's thoughts and ingenuity; to think something through thoroughly; to rack one's brains
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (CC-CEDICT '殫精極慮')

Word is mentioned most frequently in

Truncated for common words