问题: 请帮忙翻译个句子，谢谢！
If you're really tough, sometimes you just walk away; if you're really tough, you'll save it for when you really need it.
解答:
If you're really tough, sometimes you just walk away; if you're really tough, you'll save it for when you really need it.
如果你真的坚强，有时你就应该走开（理解为不去管它，或者呼应下文的拯救它），如果你真的坚强，你应该等到你真的需要它的时候再挽救（竭力挽回）它
本句应该有语境，可以理解为，要量力而行，只有当真正需要你力挽狂澜时才破釜沉舟，奋力一搏。
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