truth

"at last he knew the truth" "the truth is that he didn't want to do it"

"they debated the truth of the proposition" "the situation brought home to us the blunt truth of the military threat" "he was famous for the truth of his portraits" "he turned to religion in his search for eternal verities"

"he told the truth" "he thought of answering with the truth but he knew they wouldn't believe it"

"he was beginning to doubt the accuracy of his compass" "the lawyer questioned the truth of my account"

误 These documents will prove that we are telling the truths.

正 These documents will prove that we are telling the truth.

误 We could not persuade him that she was telling the truths.

正 We could not persuade him that she was telling the truth.

析 tell the truth是习语,意思是“讲真话,说实话”, truth的词尾不加-s。