Can we have some water, please?
能给我们拿些水来吗？
A Are you enjoying your meal, sir?
A 您喜欢您点的菜吗，先生？
B Very much indeed. The food is excellent. Can we have some water, please?
B 非常喜欢。饭菜好极了。能给我们拿些水来吗？
A Certainly, sir. Would you like still or sparkling?
A 当然，先生。你要水还是汽水？
B Is sparkling OK with everyone? Yes? Sparkling, please.
B 大家都要汽水吗？ 行吗？请来汽水。
A And can I bring you some more beers?
A 你们还要一些啤酒吗？
B Yes, please. Another four beers, please.
B 是的，要。请再来四杯啤酒。

Notes注释
1 To request food and drink in a restaurant, for example, you can ask: Can we have some water, please? / Can we have some water, please?
在餐馆里要食物和饮品，例如，你可以问：Can we have some water, please? /能给我们拿些水来吗？
2 To offer food or drink in a restaurant, for example, more beers, you can ask: Can I bring you some more beers? / Can I bring you some more beers?
在餐馆中想给顾客拿食物和饮品，例如，再拿一些啤酒时，你可以问：Can I bring you some more beers? /你们还要一些啤酒吗？

Key phrases and sentences
Are you enjoying your meal, sir?
Very much indeed.
The food is excellent.
Can we have some water, please?
Certainly, sir. Would you like still or sparkling?
Is sparkling OK with everyone? Yes? Sparkling, please.
And can I bring you some more beers?
Yes, please. Another four beers, please.

您喜欢您点的菜吗，先生？
非常喜欢。饭菜好极了。
能给我们拿些水来吗？
当然，先生。你要水还是汽水？
大家都要汽水吗？ 行吗？
请来汽水。
你们还要一些啤酒吗？
是的，要。请再来四杯啤酒。