Acts 2:12
And they were all in amazement and doubt, and said, one to another: What can this mean?
Luke 15:26
And he called to him one of the servants, and asked what these things meant.
Luke 18:36
And when he heard the multitude passing by, he asked what this meant.
Acts 2:7
They were amazed and astonished, and said one to another: Are not all these that are speaking, Galileans?
Acts 10:17
Now, while Peter was perplexed within himself about the meaning of the vision which he had seen, behold, the men who had been sent from Cornelius, having made inquiry for the house of Simon, stood before the gate.
Acts 17:20
For you bring some strange things to our ears: we wish to understand then what these things mean.