可否使用rude at sb

可否使用rude at sb be rude to sb造句 be rude to sb还是for sb 是be rude of sb还是be rude for sb,另外说下它的意思 rude rude 用is rude on sb to do sth造句 don't be rude to sb!为什么它的否定形式不是be not rude to sb呢? 使用液氮可否摧毁防弹玻璃? troublesome可否作名词使用 It's rude to l____ at people who make mistakes. （ ）（ ）rude（ ）point your fingers at people _______(point)at anyone with your chopsticks is rude. staring at others is considered rude 同意句转换 催化剂二氧化锰使用后可否重新使用 It's polite/rude to sb to do sth怎么译It's polite/rude of sb to do sth急！ You were rude to shout at the little girl.改成同义句._____ _____ rude _____you to shout at the get mad at sb.