前面加介词in，例如：

1、I don't believe in good luck.我不相信天降横福。

2、I believed in good luck.我相信好运

3、This all special ritual is believed to bring in good luck and wealth to the business.所有这些特殊的仪式被认为会对业务带来好运和财富。

4、You can go in now. Good luck.可以进去了.祝你好运.