Would you please describe what you'd seen? 请描述一下你看到了什么？

It happened so fast that I only saw the man wearing a blue coat. 一切发生得太快了，我只看到那个人穿着蓝色外套。

Is he tali or short? 他是高个子还是矮个子？

I'm not sure. 不清楚。

The thief wears a pair of sunglasses and has long hair.  那个贼戴着太阳镜，留着长头发。

I saw a shoplifter just now. 我刚才看到有人在商店扒窃。

What does he look like? 扒手长什么样子?

The thief wears a pair of sunglasses and has long hair.  那个贼戴着太阳镜，留着长头发。