The lock itself is a normal cylinder lock so it doesn't automatically lock when you shut the door.
A normal person might spend a lifetime at it and still not succeed but faced with a determined Ren it was not greatly different from a normal cylinder lock.
Take one tablet a day until all of the medicine is gone.
I took the shortcut back to the woods, locked my shelter, and opened the basket.
I rushed to Grannie's house and it wasn't locked, so I went inside.
I took three tablets of a cold medicine before going to bed.
He took two tablets of aspirin to get rid of his cold.
She bolted the doors and windows.
They forgot to lock the door.
He put the key in the lock.
I would like to draw your attention to the fact that Kanjisho uses multiple sources of data provided by third parties.
The search results are provided by the wonderful Jisho API which itself uses various data sources which you can find on the jisho's website. The data concerning the kanji strokes are provided by the KanjiVG project, under the CC BY 3.0 FR license. I also use Tatoeba to provide example sentences and Kuroshiro to obtain the furiganas and romajis versions of the sentences.
If you find any vices, errors or malfunctions, please let me know so that I can correct them.