This is a postern virus.

这是一个后门病毒。

We SLIP out of the postern door of the castle.

我们从城堡的后门溜出。

The postern by exquisite blackboard newspaper.

后门边由精致的黑板报。

Or his database opens Jiang of Ge postern and so on.

或者将他的数据库开个后门之类的。

The girl was just to reply, and there was a sound from the postern grove.

女孩正欲回答，旁边的树林里忽然响起一个声音：七公主！别站在那里，快到这边来！