But, the most important thing, the sense of the thumb and index finger to examine the soundboard strength is not transferable. So I should take this "secret" to my grave.

但最重要的事情是，光光靠拇指和食指检查面板的强度是远远不够的，所以我想我应该把这个‘秘密’带到坟墓里去。

As he learns the tragic history of the farmhouse, supernatural occurrences leave him fearing for his sanity, and reveal a secret Lori took with her to the grave.

在他不断了解这座农舍的悲惨历史下，各种超自然的事件让他担心他还能不能保持他的理智。

They took away three skulls, but after a year of frustrated attempts at secret forensic testing and still afraid of the repercussions, they returned the skulls, in a wooden box, to the grave.

但在花费了一年时间试图进行秘密法医检查而四处碰壁后，又惧怕此事可能引起的巨大反响，他们就用木箱将头骨装好放回了墓地。