When thou shalt vow a vow unto the LORD
thy God, thou shalt not slack to pay it: for the LORD thy God will surely
require it of thee; and it would be sin in thee.
BSB
If you make a vow to the LORD your God, do not be slow to keep it, because He will surely require it of you, and you will be guilty of sin.
WEB
When you shall vow a vow to Yahweh your God, you shall not be slack to pay it: for Yahweh your God will surely require it of you; and it would be sin in you.
YLT
‘When thou vowest a vow to Jehovah thy God, thou dost not delay to complete it; for Jehovah thy God doth certainly require it from thee, and it hath been in thee—sin.