Like their ancestors they were disloyal and faithless, as unreliable as a faulty bow.
OJBBut turned back, and dealt unfaithfully like their avot; they turned like a treacherous keshet.
T4TInstead, like their ancestors did, they rebelled against God and ◄were not loyal to/did not faithfully obey► him; they were as unreliable as a crooked arrow that does not go straight [SIM].