1. Can I have a look at the menu, please?
我能看一下菜单吗?
还能这样说：
May I see the menu?
Can you show me the menu?
应用解析：
menu还有别的意思：(荧光屏上显示的)项目;功能选择单;饭菜，菜肴。
We all enjoyed the fine menu.
我们都津津有味地吃了这顿佳肴。
2. What is this dish made of?
这个菜是用什么做的?
还能这样说：
How do you make this dish?
What is the ingredient of this dish?
应用解析：
a dish of gossip 闲谈，谈天;
be dished out of sth. 被骗去某东西;
eat off a dish 由盘中取食;
lay sth. in sb's dish 把某事归咎于某人;
dish it out 拼命责骂，出钱
3. This meal looks delicious.
这道菜看起来很好吃。
还能这样说：
It looks tasty.
It looks good to eat.
应用解析：
delicious还有别的意思：美妙的;爽快的;极有趣的;悦目的。
例如：He told us delicious stories.
他给我们讲有趣的故事。
4. What do you recommend today?
今天有什么菜可以推荐的吗?
还能这样说：
What do you suggest today?
Is there anything special today?
应用解析：
recommend to托付。
例如：I recommended my dog to her care when I went out for travel.
我出去旅行时，把狗托付给她照看。