原文 Original text
繁體 Traditional
Reader's edition
這般醜徒弟 Such a Handsome Master
那喇嘛道：「爺爺呀！這們好俊師父，怎麼尋這般醜徒弟？」那喇嘛道：「爷爷呀！这们好俊师父，怎么寻这般丑徒弟？」
逐句解 Line by line
那喇嘛道：「爺爺呀！
那喇嘛道：「爷爷呀！
The lama said, "Good heavens, sir!
Seven characters of pure exclamation, and the doubled 爺爺 takes an unstressed second syllable, like the other doubled terms of address in the book.
這們好俊師父，怎麼尋這般醜徒弟？」
这们好俊师父，怎么寻这般丑徒弟？」
Such a fine handsome master — how did you come to look out disciples as ugly as these?"
尋 is xún, to seek out. He is genuinely baffled that a man with an arhat's face went shopping and came back with these three.
The lama's question is a joke and it is also the chapter's question, asked from the outside. Why would somebody who looks like that keep company that looks like this?
Everyone in chapter 80 has been reasoning from faces. The demon knew it and dressed for it. The joke is that the lama, laughing at the mismatch, has just described the one arrangement in the whole party that is exactly what it appears to be.