rack+one's+brains
41mull — v 1. study, examine, con, evaluate, weigh, turn over, review, revolve; ruminate, cogitate, chew, chew one s cud, reflect on, think over, rack one s brains, cudgel one s brain, trouble one s head; brood, dwell on, be in a brown study; ponder, muse …
42ponder — v 1. cogitate, think over, rack one s brains, cudgel one s brain, trouble one s head; ruminate, chew, chew one s cud, brood, mull over, dwell on, be in a brown study; reflect, speculate, wonder about, dream about, muse; meditate, contemplate,… …
43chew over — go home and chew it over Syn: meditate on, ruminate on, think about/over/through, mull over, consider, ponder on, deliberate on, reflect on, muse on, dwell on, give thought to, turn over in one s mind; brood over, puzzle over, rack one s brains… …
44think — verb 1) I think he s gone home Syn: believe, be of the opinion, be of the view, be under the impression; expect, imagine, anticipate; surmise, suppose, conjecture, guess, fancy; conclude, determine, reason; informal reckon, figure; formal …
45ruminate — [v] think about seriously brainstorm*, brood, chew over, cogitate, consider, contemplate, deliberate, excogitate, figure, meditate, mull over, muse, ponder, rack one’s brains*, reflect, revolve, stew about*, think, turn over, use one’s head*,… …
46think — [v1] believe; anticipate assume, be convinced, comprehend, conceive, conclude, consider, credit, deem, determine, envisage, envision, esteem, estimate, expect, fancy, feature, feel, foresee, gather, guess, hold, image, imagine, judge, plan for,… …
47chew something over — MEDITATE ON, ruminate on, think about/over/through, mull over, consider, weigh up, ponder on, deliberate on, reflect on, muse on, dwell on, give thought to, turn over in one s mind; brood over, puzzle over, rack one s brains about; N. Amer. think …
48puzzle — n 1. acrostic, crossword puzzle; anagram, logogriph, word game; jigsaw puzzle; Chinese puzzle. 2. enigma, mystery, riddle, conundrum, question, question mark; problem, dilemma, quandary, plight, predicament; maze, labyrinth, tangle, knot; secret …
49биться — БИТЬСЯ1, несов. Двигаться, как правило, непроизвольно всем телом, часто, быстро из стороны в сторону, порой беспорядочно, обычно испытывая физические или нравственные страдания; Син.: метаться, содрогаться, трепетать [impf. (in this sense) to… …
50mull — [v] think about seriously brood over, chaw, consider, contemplate, delay, deliberate, examine, figure, hammer away at*, linger, meditate, moon*, muse on, ponder, pore over, procrastinate, rack one’s brains*, reflect, review, revolve, ruminate,… …
