why not后面加动词原型。
why：adv. (用于问句)为什么，为何; (反问，表示不必)何必; (说明理由)为什么，…的原因。
扩展资料
I didn't want a part in the play, then I thought ─ stuff it ─ why not?
我本来没想在剧中扮演角色，然后又一想——管它呢——干吗不演？
Why not spoil yourself with a weekend in a top hotel?
为什么不到顶级饭店度个周末，让自己享受享受呢？
Why not go out and see if there's some place we can dance?
为什么不出去看看是否有我们可以跳舞的地方？
Why not throw a party for your friends?
干吗不在家里为你的朋友们搞个聚会？
What you need is a change of scene. Why not go on a cruise?
你需要换换环境。为什么不乘船去旅行呢？
