| 单词 | cross the Rubicon |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Rubicon〕He's crossed the Rubicon with regard to the use of military force as an option.他已经下定决心使用武力。柯林斯高阶〔Rubicon〕He's crossed the Rubicon with regard to the use of military force.他已经下定决心使用武力。外研社新世纪〔Rubicon〕Most EU states have crossed the Rubicon and adopted the euro.大多数的欧盟国家已经下了决心采用欧元。剑桥高阶〔Rubicon〕Once you've crossed the Rubicon there's no going back.一旦破釜沉舟，就别无退路了。韦氏高阶〔rubicon〕Today we cross the Rubicon. There is no going back.今天我们要破釜沉舟，背水一战了。牛津高阶 |
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然后知生于忧患，而死于安乐也。-「孟子」
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