NET

24 When you hear the sound of marching in the tops of the trees, act decisively. For at that moment the Lord is going before you to strike down the army of the Philistines.”

Darby

24 And it shall be, when thou hearest a sound of marching in the tops of the mulberry-trees, that then thou shalt bestir thyself; for then will Jehovah have gone forth before thee, to smite the army of the Philistines.

KJV

24 And let it be, when thou hearest the sound of a going in the tops of the mulberry trees, that then thou shalt bestir thyself: for then shall the LORD go out before thee, to smite the host of the Philistines.