英和和英

読み方 ことわり

名詞

Reason

用例

• お前がそう言うのも理だ
  You have good reason to say so
  You may well say that.

• 君の言う事にも多少理がある
  There is some reason in what you say
  There is something in that.
• 彼が成功するのも理だ（理なる哉）
  It is natural that he should succeed
  It is no wonder that he should succeed
  It is no great wonder that he should succeed
  What wonder that he should succeed!

読み方 り

名詞

1

（＝道理）reason

用例

• その理を解するに苦しむ
  I am at a loss to comprehend the reason.

• それも一理ある
  There is some reason in what you say―（を通例略して）―There is something in that.
• 世人彼を恐るる理無きにあらず
  It is not without reason that people fear him
  People has good reason to fear him
  People may well fear him.
• 理に服す（聞き分ける）
  to listen to reason
• 僕は理には服す
  I am amenable to reason―open to conviction.
• 理に服させる
  to convince a man
• 彼は理に服さぬ
  He is deaf to reason―inconvincible.
• 理を説く
  to reason with one
• 彼はいくら理を説いても聞き分けぬ
  It is no use reasoning with him―He will not listen to reason―come to reason.
• この説は理にかなっている
  The theory consists with reason
  It is consistent with reason.
• 理にかなわぬ
  It is not consistent with reason.
• 理にかなった行動
  a consistent action
• 理に反する
  It is contrary to reason―against reason.
• 負けた者が入費を持つのは理の当然だ
  It stands to reason that the vanquished party should pay the expenses.
• あの勉強家が成功するのは理の当然だ
  It is quite natural that such a hard-working man should succeed
  Such a worker ought to succeed.
• 溢れる人口が出口を求めるのは理の当然だ
  It is but natural that an overflowing population should seek an outlet.
• 話が理に落ちる
  The talk becomes serious―takes a serious turn.

2

（＝真理）a truth

用例

• 万世不易の理
  an eternal truth

• それも一理ある
  There is some truth in what you say―（を略して通例）―There is something in that.
• 理に二つは無い
  There is only one truth
  “Whatever is, is”【イディオム・格言的】
• 理外の理
  a transcendental truth
• 理外の理というものがある
  Every rule has its exceptions.
• 万々その理無し
  It can not possibly be true.

3

（＝原理）a principle; a philosophy

用例

• 陰陽の理
  the principle of duality

• 数理
  a mathematical principle
• Plato は霊魂不死の理を解く
  Plato expounds the philosophy of the immortality of the soul.

4

（＝理非の理）right （or wrong）

用例

• どちらに理があるか、どちらが非か
  Which is in the right? Which is in the wrong?

• 被告の方に理がある
  The defendant is in the right.
• 理を非にする
  to talk right into wrong
• 理が非でも彼は言い出した事を通す
  Right or wrong, he persists in his statement.
• 理が非でもその品を手に入れたい
  I must have the article by fair means or foul―by hook or by crook―I must needs have the article.
• 双方に五分の理がある
  Much might be said on both sides.
• 盗人にも三分の理あり
  “Give the devil his due.”【イディオム・格言的】