fruitlessly

Four years of negotiation ended fruitlessly last December.

歷時4年的談判在去年12月無果而終。

柯林斯例句

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

毛驢很憤怒，嘗試著用蹄子踢老虎，但沒成功。

辭典例句