| 正面 | 7869.unsuccessful 英 [ʌnsək'sesfʊl; -f(ə)l]美 [,ʌnsək'sɛsfl]     |
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| 背面 |     释义： 1、con- "together" + jur- "swear" + -e.2、字面含义为：swear together, command on oath.adj. 不成功的；失败的 例句： 1. Unfortunately attempts to crossbreed it with other potatoes have been unsuccessful.不幸的是，将它与其他土豆品种杂交的尝试均告失败。 unsuccessful (adj.)1610s, from un- (1) "not" + successful (adj.). Related: Unsuccessfully. A noun unsuccess "lack of success" is recorded from 1580s." |