New International Version
The Israelites had arranged with the ambush that they should send up a great cloud of smoke from the city,

American Standard Version
Now the appointed sign between the men of Israel and the liers-in-wait was, that they should make a great cloud of smoke rise up out of the city.

Berean Study Bible
The men of Israel had arranged a signal with the men in ambush: When they sent up a great cloud of smoke from the city,

Douay-Rheims Bible
Now the children of Israel had given a sign to them, whom they had laid in ambushes, that after they had taken the city, they should make a fire: that by the smoke rising on high, they might shew that the city was taken.

English Revised Version
Now the appointed sign between the men of Israel and the liers in wait was, that they should make a great cloud of smoke rise up out of the city.

King James Bible
Now there was an appointed sign between the men of Israel and the liers in wait, that they should make a great flame with smoke rise up out of the city.

World English Bible
Now the appointed sign between the men of Israel and the ambushers was that they should make a great cloud of smoke rise up out of the city.

Young's Literal Translation
And there was the appointed sign to the men of Israel with the ambush -- their causing to go up a great volume of smoke from the city.

Judges 20:38 Additional Translations ...