why
why
Why is that?
なぜなんだろう。
なぜ.
Why is that?
なぜですか?
なんでだよ
What is the reason?
How is that?
How do you account for that?
What can be the reason?
なぜでしょう。
なにそれ?
なぜそうあわてているの?
What did you do that for?
I wonder how that can be.
なぜそう思うか
なぜそう思うか
for those reasons