动词
中文翻译：锁住
同义词：
['fasten', 'secure', 'fasten', 'fasten']
例句：
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1. I locked the door behind me and turned off the lights.
我锁上门并关了灯。
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2. The thief tried to break in but was quickly locked out by the alarm system.
小偷试图破门而入，但很快被警报系统锁在外面。
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3. The room was locked from the inside, so we couldn't get in.
房间从里面上了锁，所以我们进不去。