days of Baalim - the days consecrated to the Baals, or various images of Baal in different cities, whence the names Baal-gad, Baal-hermon, etc.
decked herself with ... earrings - rather, “nose-rings” (Isa 3:21; Eze 16:12, Margin), with which harlots decked themselves to attract admirers: answering to the ornaments in which the Israelites decked themselves on the idols’ feasts.
forgat me - worse than the nations which had never known God. Israel willfully apostatized from Jehovah, whom she had known.