取り調べの際に、証人はいつも真実に従って行動していると言いました。

During the interrogation, the witness said that he always acts in accordance with the truth.

討論中、その政治家は嘘をつき始め、市民にすぐに気付かれました。

During the debate, the politician started to be untruthful, which was quickly noticed by the citizens.

物語を語るとき、彼は時々不都合な結果を避けるために真実を偽る必要があると理解していた.

While telling the story, he knew that sometimes he had to be untruthful in order to avoid unpleasant consequences.