created sense approved 殚思极虑/殫思極慮 · dānsījílǜ · to rack one's brains — "Initial import from upstream dictionary"
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
殚 (literal) → 殚/殫 · dān · to exhaust 思 (literal) → 思 · sī · to think 极 (literal) → 极/極 · jí · to reach the limit 虑 (literal) → 虑/慮 · lǜ · to consider
Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition