I have seen an horrible thing in the house of Israel: there is the whoredom of Ephraim, Israel is defiled. I have seen a horrible thing - That is, the idolatry that prevailed in Israel to such a degree that the whole land was defiled.
Related Commentaries of Hosea 6:10
Hosea 6:10
10 I have seen an horrible thing in the house of Israel: there is the whoredom of Ephraim, Israel is defiled.