Why can't you ever see my point of view?
你怎么老不明白我的观点呢？
I know you did it ─ I just want to know why.
我知道这是你干的，我只是想知道为什么。
Why don't we go and see it together?
咱们为什么不一起去看看呢？
It's not for me to say why he left.
不适宜由我说出他离开的原因。
Why should I want to make you feel bad?
我干吗要让你难过呢？