I polluted them in] I suffered them to prostitute themselves to all manner of abominable idolatrie. passe through the fire] Chap. 16. 21. 2 Kings 17:17. &2 Kings 21:6. 2 Chron. 28. 3. &33. 6. Either to sacrifice them, or to purifie and consecreate them, which in this place is most probable. that openeth the womb] That is, the first-born, which ought to be sanctified to the Lord, Exodus 13:2.