什么是强壮?

Is it muscle or something more?

它是肌肉或更多的东西?

Is it measured in miles or milliseconds?

它是以英里或毫秒测量?

Is it your best time or your worst day?

它是你的最佳时间或最糟糕的一天?

Maybe strong is just what you have left...

也许强壮正是当你离开的时候…

...when you've used up all your weak.

…用尽了你所有的软弱。