| 单词 | problem |
| 释义 | problem n. 1. a doubtful or difficult matter requiring a solution (how to prevent it is a problem; the problem of ventilation). 2. something hard to understand or accomplish or deal with. 3. (attrib.) a causing problems; difficult to deal with (problem child). b (of a play, novel, etc.) in which a social or other problem is treated. 4. a Physics & Math. an inquiry starting from given conditions to investigate or demonstrate a fact, result, or law. b Geom. a proposition in which something has to be constructed (cf. THEOREM). 5. a (in various games, esp. chess) an arrangement of men, cards, etc., in which the solver has to achieve a specified result. b a puzzle or question for solution. Etymology: ME f. OF probleme or L problema f. Gk problema -matos f. proballo (as PRO-(2), ballo throw) |
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