您要查找的是不是：
- 楼下有人吗? Is anyone downstairs yet?
- 楼下有人要见你。 There is a man downstairs who wants to see you.
- 吗 morphine
- 楼下有人在喊你。 Someone is calling your name downstairs.
- 这个座位有人吗？ Is this seat free?
- 车上有人吗? Is it taken?
- 楼下 downstairs
- 是吗 is that right
- 楼下的 downstair
- 那个座位有人吗? Is that seat free?
- 你好吗？ How are you?
- 在楼下 below stairs
- 你知道吗 did you know
- 是吗？ Is it really?
- 不是吗 isn't it
- 真的吗？ No kidding?
- 这样可以吗？ Is that OK?
- 有人吗? Is anyone there?
- 我听到有人在楼下叫我。 I heard somebody calling out to me from downstairs.
- 你还记得我吗？ Do you remember me?
