New Revised Standard Version
For when I have brought them into the land flowing with milk and honey, which I promised on oath to their ancestors, and they have eaten their fill and grown fat, they will turn to other gods and serve them, despising me and breaking my covenant.

Contemporary English Version
I am bringing them into the land that I promised their ancestors. It is a land rich with milk and honey, and the Israelites will have more than enough food to eat. But they will get fat and turn their backs on me and start worshiping other gods. The Israelites will reject me and break the agreement that I made with them.

New American Bible
For when I have brought them into the land flowing with milk and honey which I promised on oath to their ancestors, and they have eaten and are satisfied and have grown fat, if they turn to other gods and serve them, despising me and breaking my covenant,

Douay-Rheims Bible
For I will bring them into the land, for which I swore to their fathers, that floweth with milk and honey. And when they have eaten, and are full and fat, they will turn away after strange gods, and will serve them: and will despise me, and make void my covenant.

For I will bring them into the land, for which I swore to their fathers, that floweth with milk and honey. And when they have eaten, and are full and fat, they will turn away after strange gods, and will serve them: and will despise me, and make void my covenant.

when

Deuteronomy 6:10-12 And when the Lord thy God shall have brought thee into the land, for which he swore to thy fathers Abraham, Isaac, and Jacob: and shall have given thee great and goodly cities, which thou didst not build, . . .

Deuteronomy 7:1 When the Lord thy God shall have brought thee into the land, which thou art going in to possess, and shall have destroyed many nations before thee, the Hethite, and the Gergezite, and the Amorrhite, and the Chanaanite, and the Pherezite, and the Hevite, and the Jebusite, seven nations much more numerous than thou art, and stronger than thou:

Deuteronomy 8:7 For the Lord thy God will bring thee into a good land, of brooks and of waters, and of fountains: in the plains of which and the hills deep rivers break out:

floweth

Exodus 3:8,17 And knowing their sorrow, I am come down to deliver them out of the hands of the Egyptians, and to bring them out of that land into a good and spacious land, into a land that floweth with milk and honey, to the places of the Chanaanite, and Hethite, and Amorrhite, and Pherezite, and Hevite, and Jebusite. . . .

eaten

Deuteronomy 8:10-14 That when thou hast eaten, and art full, thou mayst bless the Lord thy God for the excellent land which he hath given thee. . . .

Nehemiah 9:25,26 And they took strong cities and a fat land, and possessed houses full of all goods: cisterns made by others, vineyards, and oliveyards, and fruit trees in abundance: and they ate, and were filled, and became fat, and abounded with delight in thy great goodness. . . .

waxen fat

Deuteronomy 32:15 The beloved grew fat, and kicked: he grew fat, and thick and gross, he forsook God who made him, and departed from God his saviour.

Nehemiah 9:25,26,35 And they took strong cities and a fat land, and possessed houses full of all goods: cisterns made by others, vineyards, and oliveyards, and fruit trees in abundance: and they ate, and were filled, and became fat, and abounded with delight in thy great goodness. . . .

Psalm 17:10 They have shut up their fat: their mouth hath spoken proudly.

Psalm 73:7 Their iniquity hath come forth, as it were from fatness: they have passed into the affection of the heart.

Psalm 119:70 Their heart is curdled like milk: but I have meditated on thy law.

Jeremiah 5:28 They are grown gross and fat: and have most wickedly transgressed my words. They have not judged the cause of the widow, they have not managed the cause of the fatherless, and they have not judged the judgment of the poor.

Jeremiah 50:11 Because you rejoice, and speak great things, pillaging my inheritance: because you are spread abroad as calves upon the grass, and have bellowed as bulls.

Ezekiel 34:16,20 I will seek that which was lost: and that which was driven away, I will bring again: and I will bind up that which was broken, and I will strengthen that which was weak, and that which was fat and strong I will preserve, and I will feed them in judgment. . . .

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

then

Deuteronomy 31:16,17 And the Lord said to Moses: Behold thou shalt sleep with thy fathers, and this people rising up will go a fornicating after strange gods in the land, to which it goeth in to dwell: there will they forsake me, and will make void the covenant, which I have made with them, . . .