Read Edit View history 殚精极虑 dānjīngjílǜ to rack one's brains Origin Definitions Defs 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