常用英语口语：在饭店遇到困难时（1）

在饭店遇到困难时
没有热水。
There is no hot water.
There is no hot water. (没有热水。)
Are you sure about that? (您肯定没有吗?) 
隔壁太吵了。
The room next door is noisy. 
我能再要一把房间钥匙吗? 
Could I possibly have another room key? *因为有possibly，所以使得说法更礼貌。
Could I please have another room key?
May I have another room key?
Is it all right if I have another room key?
Would it be possible for me to have another room key?
I'd like to have another key, if that's okay. (如果可以的话，我想再要一把房间的钥匙。)
我把钥匙忘在房间里了。 
I locked myself out.
I locked myself out.(我把钥匙忘在房间里了。)
May I have your name, please. (请告诉我您叫什么名字?)
I left my key inside my room.
I forgot my key inside my room. (我把钥匙忘在屋里了。) 
我被锁在外面了。