New Revised Standard Version
Therefore thus says the Lord GOD: Because you have forgotten me and cast me behind your back, therefore bear the consequences of your lewdness and whorings.

Contemporary English Version
You have completely rejected me, and so I promise that you will be punished for the disgusting things you did as a prostitute.

New American Bible
Therefore thus says the Lord GOD: You have forgotten me and cast me behind your back; now suffer for your depravity and prostitution.

Douay-Rheims Bible
Therefore thus saith the Lord God: Because thou hast forgotten me, and hast cast me off behind thy back, bear thou also thy wickedness, and thy fornications.

Therefore thus saith the Lord God: Because thou hast forgotten me, and hast cast me off behind thy back, bear thou also thy wickedness, and thy fornications.

Because

Ezekiel 23:12 Impudently prostituting herself to the children of the Assyrians, the princes, and rulers that came to her, clothed with divers colours, to the horsemen that rode upon horses, and to young men all of great beauty.

Isaiah 17:10 Because thou hast forgotten God thy saviour, and hast not remembered thy strong helper: therefore shalt thou plant good plants, and shalt sow strange seed.

Jeremiah 2:32 Will a virgin forget her ornament, or a bride her stomacher? but my people hath forgotten me days without number.

Jeremiah 3:21 A voice was heard in the highways, weeping and howling of the children of Israel: because they have made their way wicked, they have forgotten the Lord their God.

Jeremiah 13:25 This is thy lot, and the portion of thy measure from me, saith the Lord, because thou hast forgotten me, and hast trusted in falsehood.

Jeremiah 23:27 Who seek to make my people forget my name through their dreams, which they tell every man to his neighbour: as their fathers forgot my name for Baal.

Jeremiah 32:33 And they have turned their backs to me, and not their faces: when I taught them early in the morning, and instructed them, and they would not hearken to receive instruction.

Hosea 8:14 And Israel hath forgotten his Maker, and hath built temples: and Juda hath built many fenced cities: and I will send a fire upon his cities, and it shall devour the houses thereof.

Hosea 13:6 According to their pastures they were filled, and were made full: and they lifted up their heart, and have forgotten me.

Romans 1:28 And as they liked not to have God in their knowledge, God delivered them up to a reprobate sense, to do those things which are not convenient.

and cast

1 Kings 14:9 But hast done evil above all that were before thee, and hast made thee strange gods, and molten gods, to provoke me to anger, and hast cast me behind thy back:

Nehemiah 9:26 But they provoked thee to wrath, and departed from thee, and threw thy law behind their backs: and they killed thy prophets, who admonished them earnestly to return to thee: and they were guilty of great blasphemies.

therefore

Ezekiel 23:45-49 They therefore are just men: these shall judge them as adulteresses are judged, and as shedders of blood are judged: because they are adulteresses, and blood is in their hands. . . .

Ezekiel 7:4 And my eye shall not spare thee, and I will shew thee no pity: but I will lay thy ways upon thee, and thy abominations shall be in the midst of thee: and you shall know that I am the Lord.

Ezekiel 44:10 Moreover the Levites that went away far from me, when the children of Israel went astray, and have wandered from me after their idols, and have borne their iniquity:

Leviticus 24:15 And thou shalt speak to the children of Israel: The man that curseth his God, shall bear his sin:

Numbers 14:34 According to the number of the forty days, wherein you viewed the land: a year shall be counted for a day. And forty years you shall receive your iniquities, and shall know my revenge:

Numbers 18:22 That the children of Israel may not approach any more to the tabernacle, nor commit deadly sin,