snod kyi skyon gsum
སྣོད་ཀྱི་སྐྱོན་གསུམ
the three faulty vessels [chos nyan pa po slob ma'i skyon gsum ste, 1 rna ba mi gtod kha sbub lta bu'i skyon upturned vessel, yid la mi 'dzin zhabs rdol [leaky] lta bu'i skyon, nyon mongs dang 'dres dug can [previously filled w poison] lta bu'i skyon bcas gsum mo [IW]
the three defects of the pot: rna ba mi gtad kha sbubs lta bu'i skyon not to listen is to be like a pot turned upside down; yid la mi 'dzin zhabs rdol lta bu skyon not to be able to retain what you hear is to be like a pot with a hole in it; nyon mongs dang 'dres dug can lta bu skyon to mix negative emotions with what you hear is to be like a pot with poison in it [RY]
Three defects of the vessel. When listening to a Dharma talk: Not paying attention, not remembering, being mixed with impure motivation [RY]
three defects of humanity (snod kha sbub pa, kha gyen du bzed kyang mi gtsang ba, zhags rdol ba) [JV]