King James Bible
And they were to prove Israel by them, to know whether they would hearken unto the commandments of the LORD, which he commanded their fathers by the hand of Moses.

New King James Version
And they were left, that He might test Israel by them, to know whether they would obey the commandments of the LORD, which He had commanded their fathers by the hand of Moses.

American Standard Version
And they were left , to prove Israel by them, to know whether they would hearken unto the commandments of Jehovah, which he commanded their fathers by Moses.

Berean Study Bible
These nations were left to test the Israelites, to find out whether they would keep the commandments of the LORD, which He had given their fathers through Moses.

Douay-Rheims Bible
And he left them, that he might try Israel by them, whether they would hear the commandments of the Lord, which he had commanded their fathers by the hand of Moses, or not.

English Revised Version
And they were for to prove Israel by them, to know whether they would hearken unto the commandments of the LORD, which he commanded their fathers by the hand of Moses.

World English Bible
They were [left], to prove Israel by them, to know whether they would listen to the commandments of Yahweh, which he commanded their fathers by Moses.

Young's Literal Translation
and they are to prove Israel by them, to know whether they obey the commands of Jehovah that He commanded their fathers by the hand of Moses.

Judges 3:4 Additional Translations ...