Amos 4:6

And I, the Lord, who gave many blessings to win you to repentance, hath also tried what might be done by judgments. Cleanness of teeth: this is a description of famine by one effect of it; where meat fails the teeth are not fouled, as where it is eaten. In all your cities; it was a general famine, and probably it was that long famine, 2 Kings 8:1. Want of bread in all your places; if there were some bread, yet it was very scarce every where: this passage explains the former. Yet have ye not returned unto me; yet this starving people repented not of their idolatries, nor cast off their idols; left not their sins of oppression and cruelty, &c.; see Joel 2:12,13; what you did like returning was partial and hypocritical, and not lasting.