You never know how strong you really are until being strong is the only choice you have!
问题描述：
You never know how strong you really are until being strong is the only choice you have!
答
你永远不知道你自己有多强大，直到强是你唯一的选择。
或者：直到强是你唯一的选择，否则你永远不知道你自己有多强大。
not./never..until 是个固定词组，解释为“直到...才...”
若理解请采纳。
答
你好
You never know how strong you really are until being strong is the only choice you have!
待你到不得不变得坚强的时候，你才知道你有多坚强。
或者：不到没有退路之时，你永远不会知道自己有多强大。
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答
You never know how strong you really are until being strong is the only choice you have!
待你到不得不变得坚强的时候,你才知道你有多坚强.
或者：不到没有退路之时,你永远不会知道自己有多强大.
答
不到没有退路之时,你永远不会知道自己有多强大。