I'm hungry.
我饿了。
What would you like to eat?
你想吃点什么？
A sandwich, please.
请给我一个三明治。
OK.
好的。
What would you like to drink?
你想喝点什么？
I'd like some water. I'm thirsty!
我想喝点水。我渴了！
Here you are.
给你。
Thanks.
谢谢。