GOD'S WORD® Translation
Some men were hiding in the bedroom waiting for her [to tie him up]. Then she said to him, "Samson, the Philistines are attacking!" Samson snapped the bowstrings as a thread snaps when it touches fire. So no one found out why he was so strong.

American Standard Version
Now she had liers-in-wait abiding in the inner chamber. And she said unto him, The Philistines are upon thee, Samson. And he brake the withes, as a string of tow is broken when it toucheth the fire. So his strength was not known.

Berean Study Bible
While the men were hidden in her room, she called out, “Samson, the Philistines are here!” But he snapped the bowstrings like a strand of yarn seared by a flame. So the source of his strength remained unknown.

Douay-Rheims Bible
Men lying privately in wait with her, and in the chamber expecting the event of the thing, and she cried out to him: The Philistines are upon thee, Samson. And he broke the bands, as a man would break a thread of tow twined with spittle, when it smelleth the fire: so it was not known wherein his strength Jay.

English Revised Version
Now she had liers in wait abiding in the inner chamber. And she said unto him, The Philistines be upon thee, Samson. And he brake the withes, as a string of tow is broken when it toucheth the fire. So his strength was not known.

King James Bible
Now there were men lying in wait, abiding with her in the chamber. And she said unto him, The Philistines be upon thee, Samson. And he brake the withs, as a thread of tow is broken when it toucheth the fire. So his strength was not known.

World English Bible
Now she had an ambush waiting in the inner room. She said to him, "The Philistines are on you, Samson!" He broke the cords, as a string of tow is broken when it touches the fire. So his strength was not known.

Young's Literal Translation
And the ambush is abiding with her in an inner chamber, and she saith unto him, 'Philistines are upon thee, Samson;' and he breaketh the withs as a thread of tow is broken in its smelling fire, and his power hath not been known.

Judges 16:9 Additional Translations ...