en_tn/pro/12/06.md

The words of wicked people are an ambush waiting for a chance to kill

The deceitful things that wicked people say in order to harm other people are spoken of as if their words are waiting to kill someone by surprise. Alternate translation: "The deceitful things wicked people say are like a person who waits to kill someone by surprise" (See: rc://en/ta/man/translate/figs-metaphor)

the words of the upright keep them safe

"the advice from an upright person keeps people safe"

the upright

"the righteous person" or "the honest person" or "the just person"