《墨子·52章 备城门》
门的横栓要上下两根，用铁包裹，必须坚固。
门关再重，鍱之以铁，必坚。
There should be two top and bottom bars on the door, and they should be covered with iron, and they must be solid.
<s>[INST] 将以下文言文流畅地翻译成英语: 门关再重，鍱之以铁，必坚。 [/INST] There should be two top and bottom bars on the door, and they should be covered with iron, and they must be solid.</s>
将以下文言文流畅地翻译成英语: 门关再重，鍱之以铁，必坚。
user
There should be two top and bottom bars on the door, and they should be covered with iron, and they must be solid.
assistant