●叙述、询问理由
◎为何? Why?
I forgot to lock the door.
Why?
◎为何? How come?
*比why?还要口语。
I didn't like the movie.
How come?
◎你如何会那样想呢? What makes you think that?
I think she's in love with you.
What makes you think that?
= Why do you say that?
= Why do you think that?
◎告诉我为何。Tell me why.
= What's the reason?
◎是如何发生的? How did it happen?
My car broke down.
How did it happen?
= How did that happen?
◎你干吗要去做这种事呢? What are you doing this for?
*当不知道他们为何要做毫无理由的事情的时候用。
= Why are you doing this?
= What's the reason you're doing this?
= Why are you doing something like this?
◎你为何干那样的事呢? Why did you do that?
Why did you do that?
I didn't know I wasn't supposed to.
= What made you do that?
= Why did you do something like that?
= How could you?
= How could you do that?
◎是哪些原因呢? What causes it?
*cause“成为……是什么原因”、“引起”。
The river is getting dirty.
What causes it?
What causes it?
Air pollution.
= What is it caused by?
◎请给我讲解一下。Explain it to me.
= You'd better start explaining.
◎为何不可以? Why not?
*在被他们否定时，反驳他们“为何不可以?”，还含有“当然可以”、“赞同”的意思。
You can't wear the red pants.
Why not? They're my favorite.
= Why can't I?
= Is there a reason?
◎你如何那样开心? What are you so happy about?
What are you so happy about?
= It's a wonderful day.
= You seem especially happy today.
= What makes you so happy? *更随便的说法。
◎为了什么? What for?
I made this big box!
What for? For what?
What is this for?
◎为了哪个? For who?
I bought this gift today.
For who?
= Who is it for?
◎你旅游的目的是什么? What's the purpose of your visit?
*出境游时，边防检查官的问话。
What brought you here?
◎没理由不让做吧。No reason not to.
Why do you want to do that?
No reason not to.
= Why not?
= What's wrong with it?
= Why shouldn't I?
◎你如何在这儿? Why are you here?
*依据说话方法的不同，有时会让他们听起来不礼貌。
◎我对你说为何…… I'll tell you why...
= This is the reason why...
◎总之，是这么回事儿。In brief, it's like this.
*比较随意的说法，用在说出重点之前。虽不是正式的说法，但可用于所有状况。
= In short, it's like this.
= In a word, it's like this.
= To sum up, it's like this.
◎它的起源是如此的…… It started like this...
How did Edison make the light bulb?
It started like this...
= This is its history...
= This is the way it began...
◎原来是这样! That's why!
*比较随意的说法。
Why doesn't it work?
You have to turn it on first.
Oh, that's why!
◎所以…… That's why...
That's why I like her.
I see.
以上就是询问理由常用口语句子的所有内容，期望对大伙有帮助！目前英语用愈加广泛了，学会一手好英语，对你的学习和工作都非常有帮助。
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