Mark 14:70

But again he denied it. Then after a little while those standing nearby said to Peter again, "We know for sure that you are one of them because you are from Galilee." [Note: Peter's accent gave him away. See Matt. 26:73].

Acts 2:7

Being so amazed and astounded [at something so unusual happening], they exclaimed, "Look! are not all these men who are speaking from [the country of] Galilee?

Matthew 26:73-74

And a little later, those standing nearby came to Peter and said, "[We know] for sure, you also are one of them [i.e., Jesus' disciples], because your accent gives you away."

Mark 14:68

But he denied it, saying, "I do not know or understand what you are talking about." Then he went out onto the porch and the rooster crowed.

Luke 22:59-60

And about an hour later someone else stated emphatically, "I know for sure that this man was also with him [i.e., Jesus], for he is from Galilee [too]." [Note: Peter's accent gave him away. See Matt. 26:73].

John 18:26-27

One of the head priest's slaves, who was a relative of the man whose ear Peter had cut off, said, "Did I not see you in the orchard with him?"

Treasury of Scripture Knowledge

Summary

And he denied it again. And a little after, they that stood by said again to Peter, Surely thou art one of them: for thou art a Galilaean, and thy speech agreeth thereto.

For

Bible References

A little

Matthew 26:73
And a little later, those standing nearby came to Peter and said, "[We know] for sure, you also are one of them [i.e., Jesus' disciples], because your accent gives you away."
Luke 22:59
And about an hour later someone else stated emphatically, "I know for sure that this man was also with him [i.e., Jesus], for he is from Galilee [too]." [Note: Peter's accent gave him away. See Matt. 26:73].
John 18:26
One of the head priest's slaves, who was a relative of the man whose ear Peter had cut off, said, "Did I not see you in the orchard with him?"

For

Acts 2:7
Being so amazed and astounded [at something so unusual happening], they exclaimed, "Look! are not all these men who are speaking from [the country of] Galilee?