get your knickers in a twist别理解成“把你的短裤扭在一起”，真实含义是迷惑；发慌；恼火。

【例句】
Ah, don't get your knickers in a twist, I'll have the car back by tomorrow morning!
啊，别恼火，我明天早上就能把车开回来！

Let's not get our knickers in a twist until we see the outcome of those games.
在我们看到这些游戏的结果之前，让我们不要发慌。