プログレッシブ和英中辞典(第4版)の解説
どうり【道理】
reason
その要求は道理にかなっている［反する］
The demand 「stands to [is contrary to] reason.／That is 「a reasonable [an unreasonable] demand.
彼に道理を説いても無駄だ
It is no use trying to reason with him.
彼が怒るのも道理だ
It's natural for him to be angry.／He has good reason to be angry.
君が来ない道理はない
There is no reason why you shouldn't come.
私にそんな大金をつくれる道理はない
There is no way that I can raise such a large sum of money.
彼は道理をわきまえている
He knows what is right and what is wrong.
彼の言い分にも道理はある
There is 「some truth [something] in what he says.
道理で彼が笑ったはずだよ
「Now I see why [No wonder] he laughed.