Passage
But they understood not that saying, and were afraid to ask him.
But they understood not that saying, and were afraid to ask him.
Mark 9:30 And they departed thence, and passed through Galilee; and he would not that any man should know it.
Mark 9:31 For he taught his disciples, and said unto them, The Son of man is delivered into the hands of men, and they shall kill him; and after that he is killed, he shall rise the third day.
Mark 9:32 But they understood not that saying, and were afraid to ask him.
Mark 9:33 And he came to Capernaum: and being in the house he asked them, What was it that ye disputed among yourselves by the way?
Mark 9:34 But they held their peace: for by the way they had disputed among themselves, who should be the greatest.
The verse centers on "understood", "saying", and "afraid". It is saying that the verse draws attention to "understood" and "saying", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 31's "For he taught his disciples and said..." into verse 33's "And he came to Capernaum and being...", so "understood" and "saying" belong inside that flow. In Mark context, the local focus is Christ, faith, and discipleship.
A plain takeaway is to answer the verse's own emphasis on "understood" and "saying" with trust shaped by these words, not by a vague optimism outside the passage.