Learn what "are you sure" means, when people say it, and how to use it naturally in English.

The speaker is asking whether the other person might be someone they already know.
From One Night Stand, Episode 41
The speaker politely asks whether they may have met the other person before.
Use this when trying to recognize someone or start a conversation politely. It can sound formal or slightly awkward in casual settings.
Scenes unlock real expressions as you watch
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