崔郎中問。大善知識還入地獄也無。
Student: Can a Zen Master fall into hell or not?
師云。老僧末上入。
Master Joshu: This old monk was first in line.
崔云。既是大善知識。為什麼入地獄。
Student: But how can you be both greatly enlightened and also in hell?
師云。老僧若不入。爭得見郎中。
Master Joshu: It was the only way I could meet you.

https://cbetaonline.dila.edu.tw/zh/X1315_013

大 great
善知識 kalyāṇa-mitra, spiritual friend
還入 go back into
地獄 hell, “earth prison”
也無 or not?