“事情的真相”可以用英语表达为 "the truth of the matter" 或 "the real story behind the incident"(具体指某一事件时),其中更通用、简洁的表述是 "the truth of the matter"。
例如:
We must uncover the truth of the matter. (我们必须查明事情的真相。)
The police are determined to find out the truth of the matter. (警方决心查明事情的真相。)