Eating it at the New Year is thought to bring good luck.

VOA: special.2009.12.28

If you want to do word processing on it, good luck.

假如你想用它做文字处理，也祝你好运。

麻省理工公开课 - 计算机科学及编程导论课程节选

God was so afraid of us that He actually doubted His hold on His own empire, an empire that He was only actually able to maintain because of good luck or something like superior military firepower, but certainly nothing as grand and as absolute as omnipotence."

上帝是如此害怕我们,都开始怀疑自己能否驾驭自己的帝国了，他维系这个帝国,靠的是运气或者是强大的火力，绝非是靠什么伟大的无所不能的神力“

耶鲁公开课 - 弥尔顿课程节选

These four things are supposed to bring good luck.

VOA: special.2010.08.09

This is a part of an old tradition where dancers wearing costumes or animal furs dance from house to house to bring good luck.

VOA: standard.2010.01.01