New Living Translation
This will prevent the people of the land from teaching you to imitate their detestable customs in the worship of their gods, which would cause you to sin deeply against the LORD your God.

American Standard Version
that they teach you not to do after all their abominations, which they have done unto their gods; so would ye sin against Jehovah your God.

Berean Study Bible
so that they cannot teach you to do all the detestable things they do for their gods, and so cause you to sin against the LORD your God.

Douay-Rheims Bible
Lest they teach you to do all the abominations which they have done to their gods: and you should sin against the Lord your God.

English Revised Version
that they teach you not to do after all their abominations, which they have done unto their gods; so should ye sin against the LORD your God.

King James Bible
That they teach you not to do after all their abominations, which they have done unto their gods; so should ye sin against the LORD your God.

World English Bible
that they not teach you to do after all their abominations, which they have done to their gods; so would you sin against Yahweh your God.

Young's Literal Translation
so that they teach you not to do according to all their abominations which they have done to their gods, and ye have sinned against Jehovah your God.

Deuteronomy 20:18 Additional Translations ...