New Revised Standard Version
But they understood nothing about all these things; in fact, what he said was hidden from them, and they did not grasp what was said.

Contemporary English Version
The apostles did not understand what Jesus was talking about. They could not understand, because the meaning of what he said was hidden from them.

New American Bible
But they understood nothing of this; the word remained hidden from them and they failed to comprehend what he said.

Douay-Rheims Bible
And they understood none of these things, and this word was hid from them: and they understood not the things that were said.

And they understood none of these things, and this word was hid from them: and they understood not the things that were said.

Luke 2:50 And they understood not the word that he spoke unto them.

Luke 9:45 But they understood not this word: and it was hid from them, so that they perceived it not. And they were afraid to ask him concerning this word.

Luke 24:25,45 Then he said to them: O foolish and slow of heart to believe in all things, Which the prophets have spoken. . . .

Mark 9:32 But they understood not the word: and they were afraid to ask him.

John 10:6 This proverb Jesus spoke to them. But they understood not what he spoke.

John 12:16 These things his disciples did not know at the first: but when Jesus was glorified, then they remembered that these things were written of him and that they had done these things to him.

John 16:1-19 These things have I spoken to you things have I spoken to you that you may not be scandalized. . . .