Mark 9:30-32 NIV

30 They left that place and passed through Galilee. Jesus did not want anyone to know where they were,
31 because he was teaching his disciples. He said to them, "The Son of Man1 is going to be betrayed into the hands of men. They will kill him,2 and after three days3 he will rise."4

References for Mark 9:31

      32 But they did not understand what he meant5 and were afraid to ask him about it.

      References for Mark 9:32