unsuccessful

• adj. 不成功的；失败的

词态变化

英文词源

unsuccessful (adj.)

1610s, from un- (1) "not" + successful (adj.). Related: Unsuccessfully. A noun unsuccess "lack of success" is recorded from 1580s.

双语例句

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。

来自柯林斯例句

2. There were reports last month of unsuccessful negotiations between guerrillas and commanders.

有报道称上月游击队和指挥官之间的谈判失败。

来自柯林斯例句

3. He and his friend Boris were unsuccessful in getting a job.

他和他朋友鲍里斯都没有找到工作。

来自柯林斯例句

4. His efforts were unsuccessful.

他的努力失败了。

来自柯林斯例句

5. a brief and unsuccessful flirtation with the property market

对房地产市场一时兴起、并不成功的介入

来自《权威词典》