1. I don’t understand what you’re saying, so please repeat yourself

1. He had a heavy accent, so when he told me his name, I had to say, “Come again?”

2. Sally: Do you want some more carrots? Mary: Come again? Sally: Carrots. Do you want some more carrots?

2. please come back again sometime

1. Mary: I had a lovely time. Thank you for asking me. Sally: You’re quite welcome. Come again.

2. “Come again,” said Mrs. Martin as she let Jimmy out the door.