She wanted to tell him the whole truth but she checked herself—it wasn't the right moment.

她本想告诉他全部真相，但是又忍住了—那还不是时候。

《牛津词典》

Parents should be honest to their children, but they don't have to tell the whole truth.

父母应该对孩子诚实，但他们不必把全部真相都说出来。

youdao

She wasn't telling the whole truth.

她没有把实情都讲出来。

《牛津词典》

And if it's taken as the whole truth, and nothing but the truth,it's detrimental.

如果把这当作全部的真理，则是有害的。

哈佛公开课 - 幸福课课程节选

"We have found out the Ixiles' side of the story, not the whole truth, " he said.

NPR: Prison For Ex-Dictator Soothes Guatemala

He told the truth, the whole truth, and nothing but the truth for four long hours.

CNN

The president swore to tell the truth, the whole truth, and nothing but the truth.

CNN: Transcript: Judiciary Committee impeachment hearing