Behold, I will melt them— The prophet uses here the same metaphor as in chap. Jeremiah 6:28, &c. where see the note. Houbigant renders the last clause; So will I do, for the perversity of the daughter of my people.
Related Commentaries of Jeremiah 9:7
Jeremiah 9:7
7 Therefore thus saith the LORD of hosts, Behold, I will melt them, and try them; for how shall I do for the daughter of my people?