Berean Study Bible (BSB) - Mark 9:10 >

So they kept this matter to themselves, discussing what it meant to rise from the dead.

Textus Receptus (TR) - Mark 9:10 >

Καὶ τὸν λόγον ἐκράτησαν πρὸς ἑαυτούς, συζητοῦντες τί ἐστι τὸ ἐκ νεκρῶν ἀναστῆναι.