• vi. 盛行，流行；战胜，获胜

pre-,在前，领先，-vail,价值，.力量，词源同avail,value.即在力量上超过，胜利，引申词义盛行，流行等。

prevail (v.)

c. 1400, "be successful; be efficacious," from Old French prevaleir (Modern French prévaloir) and directly from Latin praevalere "be stronger, have greater power," from prae "before" (see pre-) + valere "have power, be strong" (see valiant). Spelling in English perhaps influenced by avail. Related: Prevailed; prevailing.

1. We must, each of us, prevail upon our congressman to act.

我们每一个人都必须说服我们各自的国会议员采取行动。

来自柯林斯例句

2. Political and personal ambitions are starting to prevail over economic interests.

政治抱负和个人野心开始压倒经济利益。

来自柯林斯例句

3. He appears to have the votes he needs to prevail.

他似乎已经获得了取胜所需的选票。

来自柯林斯例句

4. Rick still believes that justice will prevail.

里克仍然相信正义会得以伸张。

来自柯林斯例句

5. Can all our efforts towards morality prevail over the forces of evil?

我们为提倡伦理道德所做的努力能够战胜邪恶的力量 吗 ?

来自《简明英汉词典》