He was speaking openly and plainly about this matter, holding nothing back. Peter, after taking Jesus aside privately, began to reprimand Him for speaking of such things.
He spoke plainly about this, and Peter took him aside and began to rebuke him.
NMVAnd he spoke that saying openly. And Kefa [pebble] took him, and began to rebuke (reprimand; strongly warn; restrain) him.
OJBAnd Rebbe, Melech HaMoshiach was speaking about the matter plainly. And Shim'on Kefa took him aside and began to rebuke him.
TCENTHe was stating the matter plainly, so Peter took him aside and began to rebuke him.
T4THe said this to them clearly. But Peter took Jesus aside and then, because he assumed that the Messiah would never die, he started to rebuke Jesus for talking about dying.