literally meaning a fragrant herb and a foul-smelling plant mixed together; it describes how good is easily overwhelmed or obscured by evil

fragrant and foul-smelling grasses; used as a metaphor for good and bad people, or the distinction between virtue and vice

Literally "fragrant herbs and foul herbs are not stored in the same vessel"; an idiom meaning that good and bad people cannot coexist or should be kept apart.

good coexists with evil; used as a metaphor for the blurring of distinctions between the good and the bad

Literally "fragrant herbs and stinking weeds must be kept in different containers," meaning that good people and bad people cannot live together or be treated as the same.