1. vi.盛行，流行　 be generally seen, done, etc.
2. vi.获胜，占优势　 gain victory; occupy a dominant position
3. vi.说服，劝说；诱使　 persuade (sb) (to do sth); lead or induce

　～ dominantly　绝对占优势
　～ easily　很容易获胜
　～ finally〔ultimately〕　最终获胜
　～ generally　普遍流行
　～ normally　正常流行
　～ unanimously　毫无异议地获胜
　～ uniformly　始终如一地流行
　～ universally　普遍流行
　～ against〔over〕　胜过，克服，压倒
　～ against〔over〕 one's enemies　战胜敌人
　～ against overwhelming odds　在极不利的情况下取胜
　～ among　在…中流行
　～ among the people　人们中很流行
　～ among the tribes　在部族中盛行
　～ in　在…占上风
　～ on　劝说，说服
　～ with　劝说

　This fashion still prevails.　这种式样仍在流行。
　Justice has prevailed; the guilty man has been punished.　正义得到伸张，罪犯受到惩罚。

 ♣ prevail against　(v.+prep.)
　〈正〉打败，战胜；压倒 defeat; be successful in opposing
　The knights prevailed against their enemies.　骑士们降服了敌人。
　We can't hope to prevail against such overwhelming odds.　我们不能希望战胜这种势不可挡的力量。
 ♣ prevail on〔upon〕　(v.+prep.)
　〈正〉劝告，说服　 persuade (sb) (to do sth)
　Can you prevail on him to go?　你能说服他走吗?
　We prevailed on him to write a memoir.　我们说服他写一篇传记。
　He tries to prevail upon me to give up smoking.　他试图说服我戒烟。
　He was prevailed upon to deliver us a lecture.　他被说服为我们作一次讲座。
　He is not easily prevailed on to give up smoking.　说服他戒烟，谈何容易。
 ♣ prevail over　(v.+prep.)
1. 〈正〉打败，战胜；压倒 defeat; be successful in opposing
　We prevailed over our enemies.　我们把敌人打败了。
　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?
2. 覆盖 cover (sth)
　A profound silence prevailed over all.　深沉的静默笼罩着一切。
　This custom prevails over the whole area.　整个地区盛行这一风俗。