复数： trapdoors

What exactly does it take to make a trapdoor ?

究竟要用什来造一道活板门呢？

Sheriff , don 't you reckon we oughta give that there trapdoor a test ?

警长，你不认为我们应该测试一下活板门？

If you happen to drop through a hole or trapdoor , you 'll know where the upstairs are .

如果你掉到洞里或是陷阱门里而掉到下一层，你会找到上去的楼梯的。

If , when we push it , it causes a trapdoor .

如果我们按下时，就触发了脚下的陷阱门。

The film 's impassive faces will always , at some point , open a trapdoor into self-revelation .

在一些地方，影片中冷漠的脸总会打开一扇门，让角色的本性显露。