消失的密室 meaning in Chinese

harry potter 2
harry potter and the chamber of secrets

Harry potter and the prisoner of azkaban
哈利波特消失的密室
That timeline now appears on the dvd of chamber of secrets
这个年表现在就出现在了《消失的密室》的dvd中了。
This young , black hair boy showed up when harry tried to save ginny ' s life in the chamber of secrets
哈利波特在消失的密室中，要拯救昏迷的金妮时，这个高高的黑发男孩曾经出现过。
What did you have to do to make sure readers could start with " harry potter and the chamber of secrets " and not be confused
你如何使读者直接读第二本书消失的密室的时候，不会有疑惑？