That is the reason why we must go now.

那就是我们现在必须走的理由.

《简明英汉词典》

That is ( the reason ) why he raised the question.

这就是他所以提出问题的原因.

《现代英汉综合大词典》

That's the reason why I wrote to him.

那就是我写信给他的原因.

《现代英汉综合大词典》

We don't know the reason why they have broken up with each other.

我们不知道他们的关系为何破裂.

《简明英汉词典》

In fact, that is the reason why I'm here to see you.

事实上这是我来见你的原因.

辞典例句

This is the reason why I do not give away my lands.

这就是我不能把我的土地奉献给别人的原因.

辞典例句

" The reason why we got people in was to prevent the girls picketing ---- "

“ 我们叫了人是防备女工们拦厂的 —— ”

子夜部分

Perhaps this was the reason why he had not met a single acquaintance here today.

他想到今天在此地所以碰不到熟人,也许原因就是为此.

子夜部分

The reason why the development of more complex schemes is justified is presented at each step.

每一步骤都介绍了为什么要发展比较复杂方案的理由.

辞典例句

That is the reason why the clutch is called a friction mechanism.

这是人们为什么把离合器称之为摩擦装置的原因了.

互联网

This might be the reason why he always failed.

这可能就是他老失败的原因.

互联网

That was the reason why the meeting was put off.

这就是会议推迟的原因.

互联网

The reason why one is fat is partly caused by overeating.

造成肥胖的部分原因是饮食过多.

互联网

Calves are easily bound and slaughtered. Never knowing the reason why.

牛儿任人捆缚宰割从来不知原因为何.

互联网

The reason why they aren't going is that they't afford it.

他们不往的原因是由于他们负担不起.

互联网