NET
4 For his hands and feet had often been bound with chains and shackles, but he had torn the chains apart and broken the shackles in pieces. No one was strong enough to subdue him.
Darby
4 because he had been often bound with fetters and chains, and the chains had been torn asunder by him, and the fetters were shattered; and no one was able to subdue him.
KJV
4 Because that he had been often bound with fetters and chains, and the chains had been plucked asunder by him, and the fetters broken in pieces: neither could any [man] tame him.