Mark 9:32

But they did not understand what he said, and they were afraid to ask him what he meant.

Luke 2:50

But they did not understand what he said.

Luke 18:34

However, they did not understand a word of this; indeed the saying was hidden from them, and they did not know what he meant.

Luke 9:45

But they did not understand this saying ??indeed it was kept a secret from them, to prevent them from fathoming it ??and they were afraid to ask him about this saying.

Mark 9:10

This order they obeyed, debating with themselves what 'rising from the dead' meant.

John 12:16

(His disciples did not understand this at first; but when Jesus was glorified, then they remembered this had been written of him and had happened to him.)

John 16:19

Jesus knew they wanted to ask him; so he said to them, "Is this what you are discussing together, why I said, 'In a little while, you will not see me: then, after a little, you shall see me'?

Mark 7:18

He said to them, "So you do not understand, either? Do you not see how nothing outside a man can defile him by entering him?

Mark 8:17-18

He noted this and said to them, "Why do you argue you have no bread? Do you not see, do you not understand, even yet? Are you still dull of heart?

Mark 8:33

but he turned on him and noticing his disciples reproved Peter, telling him, "Get behind me, you Satan! Your outlook is not God's but man's."

Mark 16:14

Afterwards he appeared at table to the eleven themselves and reproached them for their unbelief and dulness of mind, because they had not believed those who saw him risen from the dead. [But they excused themselves, saying, "This age of lawlessness and unbelief lies under the sway of Satan, who will not allow what lies under the unclean spirits to understand the truth and power of God; therefore," they said to Christ, "reveal your righteousness now." Christ answered them, "The term of years for Satan's power has now expired, but other terrors are at hand. I was delivered to death on behalf of sinners, that they might return to the truth and sin no more, that they might inherit that glory of righteousness which is spiritual and imperishable in heaven."]

Luke 24:45

Then he opened their minds to understand the scriptures.

John 4:27

At this point his disciples came up; they were surprised that he was talking to a woman, but none of them said, "What is it?" or, "Why are you talking to her?"

Treasury of Scripture Knowledge

Summary

But they understood not that saying, and were afraid to ask him.

General references

Bible References

Were

Mark 7:18
He said to them, "So you do not understand, either? Do you not see how nothing outside a man can defile him by entering him?
Mark 8:17
He noted this and said to them, "Why do you argue you have no bread? Do you not see, do you not understand, even yet? Are you still dull of heart?
Mark 16:14
Afterwards he appeared at table to the eleven themselves and reproached them for their unbelief and dulness of mind, because they had not believed those who saw him risen from the dead. [But they excused themselves, saying, "This age of lawlessness and unbelief lies under the sway of Satan, who will not allow what lies under the unclean spirits to understand the truth and power of God; therefore," they said to Christ, "reveal your righteousness now." Christ answered them, "The term of years for Satan's power has now expired, but other terrors are at hand. I was delivered to death on behalf of sinners, that they might return to the truth and sin no more, that they might inherit that glory of righteousness which is spiritual and imperishable in heaven."]
John 4:27
At this point his disciples came up; they were surprised that he was talking to a woman, but none of them said, "What is it?" or, "Why are you talking to her?"
John 16:19
Jesus knew they wanted to ask him; so he said to them, "Is this what you are discussing together, why I said, 'In a little while, you will not see me: then, after a little, you shall see me'?

General references

Matthew 15:16
He said, "And are you totally ignorant?
Luke 9:45
But they did not understand this saying ??indeed it was kept a secret from them, to prevent them from fathoming it ??and they were afraid to ask him about this saying.
Luke 18:34
However, they did not understand a word of this; indeed the saying was hidden from them, and they did not know what he meant.