As a Noun:
1. A feeling of moderate interest or curiosity in something unexpected. English = surprise.
As a Verb or Adjective:
1. To be moderately interested or curious about something unexpected. English = (be) surprised.
Interactive:
1. Used alone to show that you are moderately surprised by what has happened, or by what someone has said. English = 'Really', 'Oh really!', 'You don't say!', 'Well, I'll be!'