bigger fish to fry别理解成“煎更大的鱼”，真实含义是有更重要的事情要做；有更有趣的事要做。

【例句】
I forgot to eat breakfast because I was late and now I am very hungry but I have bigger fish to fry.
我因赶时间没吃早饭，现在饿得很，但我有更重要的事要办。

I can't take time for your problem. I have other fish to fry.
我不能花时间去解决你的问题，我有更重要的事情要做。