something that is unsuccessful does not achieve what you want , or does not happen in the way you want 不成功的；未获得预期结果的 | The president flew home today after another unsuccessful attempt to reach a peace agreement. 在为达成和平协议的努力又一次失败后，总统今天乘飞机回国。 |
| All their efforts were largely unsuccessful. 他们的一切努力大多没有结果。 |
| | a | someone who is unsuccessful does not do or get what they want （人）未能如愿以偿的 | | Letters are sent to all unsuccessful candidates. 他们给所有落选的候选人都寄去了信。 | | +in They were unsuccessful in reaching foreign markets. 他们未能成功地进入国外市场。 | |
| | b | used about someone who has not achieved what they want in life （人）未能实现人生目标的 | |