Acts 2:12

And they were all amazed, and perplexed, saying one to another, "What does this mean?"

Luke 15:26

And, calling to him one of the young men, he inquired of him, what these things might be.

Luke 18:36

And, hearing a multitude passing along, he was inquiring what this might be.

Acts 2:7

And they were amazed, and wondered, saying, "Behold, are not all these who are speaking Galilaeans?

Acts 10:17

Now, as Peter was much perplexed in himself as to what the vision which he saw might mean, behold, the men who were sent by Cornelius, having made inquiry for Simon's house, stood at the gate;

Acts 17:20

for you bring to our ears certain strange things; we wish, therefore, to know what these things mean."

Treasury of Scripture Knowledge

Summary

And they were all amazed, and were in doubt, saying one to another, What meaneth this?

General references

Bible References

What

Acts 10:17
Now, as Peter was much perplexed in himself as to what the vision which he saw might mean, behold, the men who were sent by Cornelius, having made inquiry for Simon's house, stood at the gate;
Acts 17:20
for you bring to our ears certain strange things; we wish, therefore, to know what these things mean."
Luke 15:26
And, calling to him one of the young men, he inquired of him, what these things might be.
Luke 18:36
And, hearing a multitude passing along, he was inquiring what this might be.

General references

Mark 12:11
this was from the Lord, and is marvelous in our eyes?"