Would you care for a drink?

你想喝杯什么呢？

What would you like？

你想喝点什么？

Would you like something to drink?

你想喝什么吗？

I'm going to have a brandy. What's yours?

我想喝杯白兰地，你想喝什么？

Would you like to have cocktail or whisky on the rocks?

您要鸡尾酒仍是要威士忌加冰？

OK, I would like a whiskey straight up, but make it a double.

好的。我要一杯威士忌不加冰，双份的。

P.S. 加冰 on the rocks. 不加冰 straight up.

除了红酒以外，酒的种类也有很多：Bloody Mary血腥玛莉, martini马提尼, cocktail鸡尾, Long Island Ice Tea 长岛冰茶, whiskey威士忌, vodka伏特加, brandy白兰地