What's up,not good enough.啥意思,是不是标点用的不对

What's up,not good enough.啥意思,是不是标点用的不对 对方问你“what's up?（打招呼,问好）”能不能回答not so good? what for,why not,what's up和so 怎么回答这样的问候what's up? 可以说 not much 吗?how's going? 一定要说fine还是good也可以? how are you 和 what 's up的区别是什么为什么回答 how r u 是 good 回答 whatis up 是 not much。what is up 相当于中文的。not much又是什么意思（作为what is up 的回答时） good friends do not add up what they do for each other.add It's Not Good What's up What’s up WHAT 'S UP What‘s up what's up man what s up what's up with what's up是什么意思? What 's up? What's up? What's up,