《新唐书·列传·卷一百四十一》
其牢狱，挖几丈深的坑，将囚犯放进去，两三年后才放出。
其狱，窟地深数丈，内囚于中，二三岁乃出。
Their prison is a hole dug a few feet deep, and prisoners are placed inside, and two or three years later, they are released.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 其狱，窟地深数丈，内囚于中，二三岁乃出。 [/INST] Their prison is a hole dug a few feet deep, and prisoners are placed inside, and two or three years later, they are released.</s>
Explain the meaning of this Classical Chinese passage in English: 其狱，窟地深数丈，内囚于中，二三岁乃出。
user
Their prison is a hole dug a few feet deep, and prisoners are placed inside, and two or three years later, they are released.
assistant