Well, in Germany it's traditional to lock a room before Christmas.

德国的传统是在圣诞节前要把一个房间锁住。

Wanna know why this room was locked up?

想知道为什么这个房间被锁住了吗？

He said, " Try to love the questions themselves as though they were locked rooms or books written in a very foreign language."

“尽量喜欢这些问题本身，就好像它们是上锁的房间或者是用特定的外语写成的书一样。”