prevail ：to defeat an opponent especially in a long or difficult contest, often used figuratively
prevail 获胜 = win，triumph
(态度、风俗）流行
例句：In the end, justiceprevails.
In the struggle for AI supremacy, China will prevail.（《经济学人》在书评板块评价李开复先生的新书 AI Superpowers 时）
Let justice prevail.
May peace prevail on earth.
Freedom will prevail!
We will not waver; we will not tire; we will not falter, and we will not fail. Peace and Freedom will prevail.（前美国总统乔治布什 We Will Prevail）
注意，如果 prevail 如果后面要接介词的话，通常用 over。比如“就可以说成：
Truth will always prevail over lies. 事实总是会战胜谎言”
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3. 作业:
1）翻译：尽管困难重重，真爱总是可以战胜一切。
True love prevail over difficulties.
（参考翻译：Despite great odds, true love always prevails.）
2）场景： 勤奋战胜懒惰。
Diligence prevail over laziness.
