en_tn_condensed/mrk/08/32.md

He spoke that message openly

Possible meanings are 1) "He said this so that people could hear him" or 2) "He said this in a way that was easy to understand."

began to rebuke him

Peter rebuked Jesus for saying the things he said would happen to the Son of Man. This can be made explicit. Alternate translation: "began to rebuke him for saying these things" (See: rc://en/ta/man/jit/figs-explicit)