for their: They still had a hankering after the idolatries they had learned in Egypt, to which they added new idols, which they had seen in countries through which they had travelled, as those of the Midianites, Amorites, etc. Eze 20:8, Eze 14:3-4, Eze 23:8; Exo 32:1-8; Num 15:39, Num 25:2; Amo 5:25-26; Act 7:39-43