殚思极虑 dānsījílǜ to rack one's brains Definitions Defs Origin Strokes Stroke Words Sentences Sents 殚思极虑 殫思極慮 dānsījílǜ to rack one's brains to exhaust all of one's energy and mental resources in deep thought; to push one's thinking to the limit Frequency Written text 0.004 per million Sources Frequency data BCC Corpus (BLCU)
殚思极虑 殫思極慮 dānsījílǜ to rack one's brains to exhaust all of one's energy and mental resources in deep thought; to push one's thinking to the limit Frequency Written text 0.004 per million Sources Frequency data BCC Corpus (BLCU)