for表对象，这句话的意思是你晚饭想吃什么？
for的用法
1、表目的、用途
为了....
For our happiness, we must work hard .
为了我们的幸福，我们一定要努力工作。
2、表原因
They jumped for fear.
他们吓得跳起来。
3、表支持态度
So, are you for the project or against it?
所以这个计划，你是赞成还是反对？
4、表对象
有强调的作用。
All of these is prepared for you.
所有这些都是为你而准备的。
5、表时间
某一特定时间
For a time he was regard as a promising actor.
人们一度认为他是有希望的演员。
表方向
6、朝...；开往....
They will head for the seaside for their holiday.
他们将去海边度假。
7、表距离
The road extends for miles and miles.
这条路向远处绵延伸展。
8、表代替
取代：以...身份；意味着...
There is no substitute for experience.
经验是无可取代的。
扩展资料
for的常见短语
1、be in for it/be for it 惹上麻烦、势必倒霉；受罚
As I am in for it, I must proceed.
既然骑虎难下，我就一不做二不休。
2、for all 尽管，表让步
For all its carity of style, the book is not easy reading.
尽管这本书文体清晰，但很难理解。
3、as for 至于、关于
As for her engagement with Adam, I would say the portents are gloomy.
至于她和亚当的婚约，我看兆头不妙。