殚精极虑 dānjīngjílǜ to rack one's brains Definitions Defs Origin Strokes Stroke Words Sentences Sents 殚精极虑 殫精極慮 dānjīngjílǜ to rack one's brains to exhaust one's thoughts and ingenuity; to think something through thoroughly or leave no stone unturned
殚精极虑 殫精極慮 dānjīngjílǜ to rack one's brains to exhaust one's thoughts and ingenuity; to think something through thoroughly or leave no stone unturned
