殚精极虑 dānjīngjílǜ rack one's brains Definitions Defs Origin Strokes Stroke Words Sentences Sents 殚精极虑 (殫精極慮) dānjīngjílǜ rack one's brains idiom to exhaust one's thoughts and ingenuity; to think something through thoroughly Sources Definitions CC-CEDICT
殚精极虑 (殫精極慮) dānjīngjílǜ rack one's brains idiom to exhaust one's thoughts and ingenuity; to think something through thoroughly Sources Definitions CC-CEDICT