KJV - Only that the generations of the children of Israel might know, to teach them war, at the least such as before knew nothing thereof;

ASV - only that the generations of the children of Israel might know, to teach them war, at the least such as beforetime knew nothing thereof:

BBE - Only because of the generations of the children of Israel, for the purpose of teaching them war--only those who up till then had no experience of it;

WEB - only that the generations of the children of Israel might know, to teach them war, at the least such as before knew nothing of it:

YLT - (only for the sake of the generations of the sons of Israel's knowing, to teach them war, only those who formerly have not known them) --

Notes