John Gill Commentary 2 Kings 17:14

"Notwithstanding, they would not hear, but hardened their neck, like to the neck of their fathers, who believed not in Jehovah their God." — 2 Kings 17:14 (ASV)

Notwithstanding, they would not hear
Their instructions, advice, and admonitions, and obey them:

but hardened their necks, like to the neck of their fathers, that did
not believe in the Lord their God :
as Terah and Nahor, who were idolaters; or rather, their fathers in the wilderness, that made and served the calf, and those that rebelled against Moses and Aaron; it is a metaphor taken from oxen, that will not submit their necks to the yoke, but draw back from it, or cast it off, see (Acts 7:51) .