“to be in a bit of a pickle”意思就是身陷困境，你遇到的困难并没有那么严重，而且，你也不想将困境描述的那么严重。

【例句】
We're in a pickle … We've just locked the keys in the car!
我们遇到麻烦了，把钥匙锁在了车里！

It means that you are in a difficult position, or have a problem to which no easy answer can be found.
意思是你处于一个困难的境地，或者有一个无法找到简单答案的问题。