有時候中文說的道理與＂真理、原則＂是一樣的概念，這個時候就要用 truth（聽發音）或 principle（聽發音）這兩個單字來表示，例如不變的道理英文就是 unchanging truth、做人的道理英文是 truth in life，如果要形容無理頭或是說不出的道理的事情，可以用 doesn't make sense 這句，例如這個現象沒有道理的英文就是 This phenomenon does not make sense.。
道理英文造句練習
Honesty is a basic principle of doing things in life.誠實是做人處事的基本道理。
What you say does not make sense, no wonder no one wanted to listen.
你講的話一點道理也沒有，難怪沒有人想聽。
Man talk about truth, not unreasonable.
做人要講道理，不可以蠻不講理。
Baby didn't understand the truth of adults speak, so be careful to communicate with them.
小嬰兒還聽不懂大人說話的道理，所以要細心的跟她們溝通。
Many people do not know the truth of the Bible want to convey, therefore, will have a pastor in a church sermon.
很多人還不了解聖經想要傳達的道理，所以，才會有牧師在教堂講道。
Because she has been behind closed doors, so, for a man doing things the truth is not very harmony.
因為她一直閉不出門，所以，對於做人處事的道理很不圓融。
I know all of you speak the truth, but it is difficult to do.
你講的道理我都懂，可是要做到卻很難。
As long as you understand the truth in life, I believe you can become a successful person.
只要你懂得做人的道理，相信就可以成為一個成功的人。