fruitlessly

Four years of negotiation ended fruitlessly last December.

历时4年的谈判在去年12月无果而终。

柯林斯例句

The donkey became extremely angry and tried hard to kick the tiger but fruitlessly.

毛驴很愤怒，尝试着用蹄子踢老虎，但没成功。

辞典例句