別人說what’s up怎麼回？

可以這樣回應：

1. 很棒啊。 - Great.
2. 很好喔。 - Good.
3. 還不錯囉。 - Not bad.
4. 沒什麼啊。 - Nothing. / Nothing much. / Not much.
5. 還行囉。 - Alright. / Just life.
6. 老樣子啊。 - As usual. / Same old.