en_tn/pro/20/15.md

lips of knowledge are a precious jewel

Lips of knowledge are compared to a valuable jewel. AT: "lips of knowledge are as valuable as an expensive jewel" (See: rc://en/ta/man/translate/figs-metaphor)

lips of knowledge

AT: "wise words" (See: rc://en/ta/man/translate/figs-metonymy)

puts up money as security for a stranger's debt

AT: "agrees to pay off the loan of a stranger if he does not pay"

adulteresses

See how you translated this word in Proverbs 5:3.