"'I will not punish your daughters when they turn to prostitution, nor your daughters-in-law when they commit adultery, because the men themselves consort with harlots and sacrifice with shrine prostitutes - a people without understanding will come to ruin!'" NIV translation
God continues to explain that He will not bring down His wrath on the children but they will still come to ruin. The men (leaders) were a bad example for the children so it is no wonder that the children did the same type of things that they saw their parents doing. The old saying "Do as I say and not as I do" does not work in parenting as the children usually follow the ways of their parents and develop the same type of habits.
"'Though you commit adultery, O Israel, let not Judah become guilty. Do not go to Gilgal; do not go up to Beth Aven. And do not swear, "As surely as the Lord lives!"'" NIV translation
God warned that He was going to deal with the northern kingdom which had separated themselves from Judah and no longer worshiped in Jerusalem.
Once again, God pleads for them to turn back to Him and worship Him in the way that was prescribed. He also warns them to not swear by the Lord as He will not be with them.
This is a reminder to us as well that we should continue in the ways of God even when many around us seem to want to go their own way. On the final day, God will judge what is right and wrong and we all will give an account of our actions.
"'The Israelites are stubborn, like a stubborn heifer. How then can the Lord pasture them like lambs in a meadow?'" NIV translation
As any rancher will tell you, it is much easier to take care of a lamb than it is a cow. A lamb will usually stay close to the flock and will also respond easily to a small correction. On the other hand, a cow sometimes will just refuse to do what you want them to do and they will go where they want to go. They sometimes require more aggressive actions to get them into line. God is asking the question of how can you treat a cow like a lamb when they are so different in their attitudes. We are reminded that Jesus is the Good Shepherd and a shepherd tended sheep not cows. Therefore, if you want to have a close relationship with God (be a part of his flock of sheep) you must respond as a lamb and not a stubborn cow.