This is like bringing a dish of your own to a pot luck party, in order to make sure you have something appropriate to enjoy.

这就像将您自己的菜带到家常的宴会上，为了确保您有能享用的一些合适的东西。

youdao

I shall have to miss the party, worse luck!

我参加不了这次聚会了，真倒霉！

《牛津词典》

Give a party, but be sure to do so at home or you'll lose your outstanding luck.

举办一个聚会，但要肯定在家里举办否则您将失去您的出众运气。

youdao

Moreover, unlike Mr Gingrich, he has the benefit of knowing what happened after Mr Gingrich pushed his luck and led his party over a cliff.

ECONOMIST: Lexington

The serious point is that the prime minister's biggest stroke of luck has been the discombobulation of the party that opposes him.

ECONOMIST: Bagehot

Tony Blair and the Labour Party can hardly believe their luck.

ECONOMIST: Tory leadership