Dad, save your breath! You're in the last five miles.

爸爸 别说了 还有最后五英里了。

Simply put, these sayings mean, " It's too late. So, save your breath" .

简单地说，这些谚语的意思是：" 太晚了，所以省省力气吧。"

Save your breath, Gaby. It's not gonna happen.

别白费口舌了 加布 不可能的。

Save your breath. She’s already made up her mind.

【breath】别白费口舌了，她主意已定。

" Fred and George have got the gold—spent a good bit of it, too, by the sounds of it—and I can't get it back from them and I don't want to. So save your breath, Hermione."

“弗雷德和乔治已经拿到了金子——看来已经花掉不少了——我投办法从他们那里要回来，我也不想这么做。所以省口气吧，赫敏。”