NET
15 It so happened that when our adversaries heard that we were aware of these matters, God frustrated their intentions. Then all of us returned to the wall, each to his own work.
Darby
15 And it came to pass that when our enemies heard that it was known to us, and that God had defeated their counsel, we returned all of us to the wall, every one to his work.
KJV
15 And it came to pass, when our enemies heard that it was known unto us, and God had brought their counsel to nought, that we returned all of us to the wall, every one unto his work.