A2
used to express interest or surprise
Dictionary examples:
"My dog ate my homework." "Really? Did he enjoy the taste?" (0.0)
"I can eat 50 hot dogs." "Really? Your stomach must be huge!" (0.0)
"I can see the future." "Really? What's tomorrow's lottery number?" (0.0)
"Apparently she's leaving." "Really? When?" (9.3)
"She's agreed to try parachute jumping with me." "Really? Do you think she'll do it?" (14.7)