It's mean to laugh when someone falls.如何翻译?

It's mean to laugh when someone falls.如何翻译? That's all mean to be just laugh my ass off it's not polite to laugh at others这里的to laugh是什么成分 It's enough to make a cat laugh的意思 laugh at等于It's not polite to laugh at others.It's not polite to _____ ______ ______ others. laugh at等于It's not polite to laugh at others.It's not polite to _____ ______ ______ others. i mean it to it was mean to I mean,this is where it's going to start He often make us ____(laugh).laugh为什么用原行不用to laugh.It's time for us_____(have) dinner.为什么用to have,不用have. 英语翻译W:Sorry you had to miss the seminar; how you doing now .M:I took It easy last week-It's amazing what a little rest can do.Q:What does the man mean?A He’s feeling better It's a _________(耻辱） to laugh at people in trouble. it's impolite to laugh at people in trouble 这句话有语病吗? it's impolite to laugh at ( ) disabled( )填 a an the 不填 It's enough to make a cat laugh.译成成语是什么?注意,是成语 【Laugh or cry as you like,and it‘s meaningless to oppress yourself. It's impolite for us to laugh at someone who makes mistakes.翻译 It's your job to be on time It's your job to be on timewhat's the mean?