adj.无礼的；粗糙的

How can you justify your rude behaviour? 你怎能为你粗鲁的行为辩护？

People get rude and whiny when they are exhausted. 人们在精疲力竭的时候会变得粗野，爱发牢骚。

John lost a stripe for being rude on parade. 约翰因在检阅时鲁莽失礼被降了一级。

I disdained to answer his rude remarks. 我不屑回答他的粗话。

I never smile at people who are rude to me. 我决不会向对我无礼的人微笑。

It's very rude of her to leave without telling us. 她不向我们打声招呼就走了，这是非常不礼貌的。