King James Version (KJV)
A man void of understanding striketh hands, and becometh surety in the presence of his friend.
Modern English
One who lacks sense gives a pledge and puts up security in the presence of his neighbor.
Hebrew
אָדָ֣ם חֲסַר לֵ֭ב תּוֹקֵ֣עַ כָּ֑ף עֹרֵ֥ב עֲרֻבָּ֗ה לִפְנֵ֥י רֵעֵֽהוּ׃
ʾadam ḥasar leb tvoqeʿa kaf ʿoreb ʿarubah lipney reʿehv