| 单词 | frustrate |
| 释义 | frustrate v. & adj. --vtr. 1. make (efforts) ineffective. 2. prevent (a person) from achieving a purpose. 3. (as frustrated adj.) a discontented because unable to achieve one's desire. b sexually unfulfilled. 4. disappoint (a hope). --adj archaic frustrated. Derivatives frustratedly adv. frustrater n. frustrating adj. frustratingly adv. frustration n. Etymology: ME f. L frustrari frustrat- f. frustra in vain |
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