prim
/prɪm; prɪm/ adj
(-mmer, -mmest) (usu derog 通常作贬义)
1 (of a person) disliking anything that is improper, rude or rough; prudish （指人）循规蹈矩的, 拘谨的, 古板的, 假正经的
You can't tell that joke to her she's much too prim and proper. 可别给她讲那样的笑话--她这人过於古板和认真.
2 stiffly formal in appearance, behaviour or manner （外观、 行为或举止上）庄重的
a prim little dress with a white collar 带有白色衣领的十分端庄的连衣裙.