futile

futile

英 ['fjuːtaɪl]
　　美 ['fjʊtaɪl]

adj. 無用的；無效的；沒有出息的；瑣細的；不重要的

中文詞源：

futile 徒勞的

來自拉丁語fundere, 傾註，傾瀉，詞源同foundry, alchemy, confused. 引申詞義流走的，徒勞的。

例句：

1. They were killed, to the last man, in a futile attack.
因為進攻失敗,他們全部被殺, 無一幸免.

2. Without microscopes and other modern equipment, attempts to teach science were futile.
沒有顯微鏡及其他現代化的設備, 想教授自然科學是不會有成果的.

3. Their efforts to revive him were futile.
他們對他搶救無效.

4. He is a futile sort of person.
他是一個沒有用的人.

5. Their costly and futile attempt to subjugate the Afghans lasted just 10 years.
他們大動幹戈想要控制阿富汗地區，但隻持續瞭10年就無果而終瞭。