en_tn/pro/17/20.md

who has a crooked heart

The "heart" represents a person's feelings, attitudes and motivations. AT: "who is deceptive" or "who is dishonest" (See: rc://en/ta/man/translate/figs-metonymy)

has a perverse tongue

The "tongue" represents a person's speech. AT: "speaks perversely" or "speaks wickedly" (See: rc://en/ta/man/translate/figs-metonymy)

falls into calamity

"falls into trouble" To "fall into" something means to get into that situation. AT: "will have calamity" (See: rc://en/ta/man/translate/figs-idiom)