现在，利用图5和图6来总结一下锁关系。

Now, summarize the lock relationship using Figures 5 and 6.

youdao

我用力拉了一下锁，以防万一它没有被关掉。

I yanked on the lock, just in case it had not been padlocked, for once.

youdao

房门关着，但弄了一下锁以后我还是轻而易举地进去了。尽管屋里很黑，我很快站在了她的床边。

It was closed, but having tampered with its lock also, I easily entered, and despite the black darkness soon stood by the side of her bed.

youdao