King James Version
But they understood not this saying, and it was hid from them, that they perceived it not: and they feared to ask him of that saying.English Standard Version
But they did not understand this saying, and it was concealed from them, so that they might not perceive it. And they were afraid to ask him about this saying.New International Version
But they did not understand what this meant. It was hidden from them, so that they did not grasp it, and they were afraid to ask him about it.