KJV: 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.
NASB: because he had often been bound with shackles and chains, and the chains had been torn apart by him and the shackles broken in pieces, and no one was strong enough to subdue him.
KJV: (For he had commanded the unclean spirit to come out of the man. For oftentimes it had caught him: and he was kept bound with chains and in fetters; and he brake the bands, and was driven of the devil into the wilderness.)
NASB: For He had commanded the unclean spirit to come out of the man. For it had seized him many times; and he was bound with chains and shackles and kept under guard, and yet he would break his bonds and be driven by the demon into the desert.
KJV: And when Herod would have brought him forth, the same night Peter was sleeping between two soldiers, bound with two chains: and the keepers before the door kept the prison.
NASB: On the very night when Herod was about to bring him forward, Peter was sleeping between two soldiers, bound with two chains, and guards in front of the door were watching over the prison.
KJV: And, behold, the angel of the Lord came upon him, and a light shined in the prison: and he smote Peter on the side, and raised him up, saying, Arise up quickly. And his chains fell off from his hands.
NASB: And behold, an angel of the Lord suddenly appeared and a light shone in the cell; and he struck Peter's side and woke him up, saying, "Get up quickly." And his chains fell off his hands.
KJV: Then the chief captain came near, and took him, and commanded him to be bound with two chains; and demanded who he was, and what he had done.
NASB: Then the commander came up and took hold of him, and ordered him to be bound with two chains; and he began asking who he was and what he had done.
KJV: For this cause therefore have I called for you, to see you, and to speak with you: because that for the hope of Israel I am bound with this chain.
NASB: "For this reason, therefore, I requested to see you and to speak with you, for I am wearing this chain for the sake of the hope of Israel."