prissy

1. ADJ If you say that someone is prissy, you are critical of them because they are very easily shocked by anything vulgar or bad. 一本正经的; 谨小慎微的[非正式]

I grew to dislike the people from my background – they were uptight and prissy. 我开始讨厌和我有相同背景的人－他们很保守，总是一本正经的。