en_tn_lite_do_not_use/pro/29/05.md

flatters his neighbor

knowingly tells his neighbor things that are not true so that the neighbor will do what the speaker wants him to do

spreading a net for his feet

The writer compares the flattery of a person to setting that person up to being caught in a trap. Alternate translation: "setting a trap to catch that person" (See: rc://en/ta/man/translate/figs-metaphor)