So, sometimes it means you are wasting your breath, like in this example.

所以，有时候这意味着你在浪费口舌，就像下面的例子。

You're wasting your breath, copper, I ain't yakking.

你在浪费时间 警官 我可不是在抱怨。

Don’t try to reason with Paul – you’re wasting your breath.

【waste】别跟保罗讲道理，你在白费口舌。

Don't waste your breath . I'm not paying $100 for that.

A: 别浪费口舌了。我不会为此支付 100 美元。

" Don't waste your breath! " yelled Harry, his eyes screwed up against the pain in his scar, now more terrible than ever. " He can't hear you from here! "

“别再浪费你的口舌了！”哈利喊，他皱紧眉头以减轻他伤疤的疼痛，现在比之前的任何时候都疼得厉害，“你在这里喊他是听不到的！”