following or belonging to the customs or ways of behaving that have continued in a group of people or society for a long time without changing

The villagers retain a strong attachment to their traditional values/customs/beliefs. 村民们依然固守着传统的价值观／习俗／信仰。

The school uses a combination of modern and traditional methods for teaching reading. 该校采用传统与现代方式相结合的方法教授阅读。

The dancers were wearing traditional Hungarian dress/costume. 舞蹈者身着传统匈牙利服装。

She's very traditional (in her ideas and opinions). 她这人（在思想观念上）非常传统。