Have bigger fish to fry 有更重要的事情要办

Don't waste time on this. We've got bigger fish to fry.别在这上面浪费时间了，我们还有更重要的事情要办。

Every time I ask him for help, he claims that he has bigger fish to fry.每次我要他帮我的时候，他都说他有更重要的事情要做。

Have other fish to fry 还有其他事情要办

I don't have time for this. I have other fish to fry.我没时间干这个，我还有其他事要办。