该习俗的起源鲜为人知。

The origin of the custom is obscure.

《柯林斯英汉双解大词典》

整个意大利文化是围绕着饮食习俗的。

The whole Italian culture revolves around the ritual of eating.

《柯林斯英汉双解大词典》

她是一位喜欢无视传统习俗的年轻女子。

She is a young woman who enjoys flouting conventions.

《牛津词典》

As for a case study, I could talk about certain religious community's requirements that women practice purdah.

至于说个案，我可以谈谈,某些宗教团体的规定,要求女性遵守深闺的习俗。

普林斯顿公开课 - 人性课程节选

Separation entails also separation to God's service. That means, of course, the observance of his laws, especially the laws of purity, the rejection of pagan practices, and so on.

分离也意味着脱离上帝的侍奉，这就是说，遵守他的律法，尤其是圣洁的律法，拒绝异教习俗，等等。

耶鲁公开课 - 旧约导论课程节选

They had common heroes and common customs and a certain common heritage of the American Revolution; make no mistake.

他们崇拜同样的英雄,有同样的习俗,还有享有一定同样的美国革命遗产,这点不要弄错

耶鲁公开课 - 美国内战与重建课程节选