# for the mind of adultery is in them

This means they have the desire to be unfaithful to God. They want to worship idols.

# to turn to God ... they do not know Yahweh

The translator can represent this as "to turn to me ... they do not know me," or "to turn to me ... they do not know me, Yahweh."

# they do not know Yahweh

Israel no longer obeys Yahweh in any way. They do not acknowledge Yahweh as their God.