ruder , rudest
When people are rude, they act in an impolite way towards other people or say impolite things about them.
He's rude to her friends and obsessively jealous.
他对她的朋友粗鲁无礼而且非常嫉妒。
Rude is used to describe words and behaviour that are likely to embarrass or offend people, because they relate to sex or to body functions.
obscene , vulgar
Fred keeps cracking rude jokes with the guests.
弗雷德不停地和那些客人开下流的玩笑。
If someone receives a rude shock, something unpleasant happens unexpectedly.
It will come as a rude shock when their salary or income-tax refund cannot be cashed.
如果他们的薪水或所得税返还不能兑现,那对他们将是一个晴天霹雳。