Reason
Motive, Excuse
noun
A reason reason is a reason! How could it not be? Do you have a reason why it shouldn't be? I thought not.
This word means "reason" as in the reason you're studying Japanese, or the reason you're late. That's why it can also mean similar words like motive and excuse.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
いかなる理由
whatever reason, for what reason
同じ理由
same reason
この理由
this reason
理由を言う
to say the reason
理由をきく
to ask the reason
理由を考える
to think of a reason
理由がある
there is a reason
理由が分かる
to understand the reason
理由ができる
reason is made
一つの理由
one reason
何らかの理由
some reason
本当の理由
real reason
そんな理由
that kind of reason
どんな理由
For what reason?
大きな理由
big reason
理由は有りません。
There is no reason.
休学の理由は不明です。
The reason for the leave of absence is unknown.
理由は分かりませんが、主人が今すぐ海外に行かなければいけないと言ってるんです。
I don't know why, but my husband says he has to go abroad right now.