I love my friend John like a brother - I know he'd go through hell and high water for me.

我爱我的朋友约翰就像爱自己的兄弟一样，我知道他会为我赴汤蹈火的。

youdao

That's a very close family — whatever happens to one of them, sickness, money trouble, anything, the rest of them come to help. They'd go through hell and high water for each other.

这家人之间的关系非常密切。不管任何人发生什么事，无论是生病也好，缺钱花也好，或发生其它任何问题，每个人都会来帮忙的。不管家里谁有了困难，大家都会为他赴汤滔火。

youdao