Surprises and disbelief is an expression that we show/say when know/hear/see something that rather difficult to believe.

Expressing Surprise:

• Wow! What a surprise!
• That's a surprise!
• That's very surprising!
• Really?
• What?
• Are you serious? You must be joking!
• You're kidding!
• Fancy that!
• I must say it surprise me
• I find it hard to believe

Responding:

• Yeah!
• It is
• Yup!
• Sure
• It's true
• I'm serious
• No, I'm not
• Does it?
• It is, isn't it?

When you got surprising fact, you can say:

• Do you know what?
• Believe it or not?
• You may not believe it, but.....
• Can you believe this?

Example of Surprise:
Rensi: Whose car is that?
Yeyen: It's Tami
Rensi: Are you kidding me?
Yeyen: No, I'm not. I saw her riding that car this morning
Rensi: What's surprise!

Expressing Disbelief:

• I don't believe it
• It can't be true
• I can't think of it
• I don't trust you

Example of Disbelief:
Tetty: I heard the news about tiren. What is tiren, Diana?
Diana: "Tiren" stand for "mati kemarin". It is chicken meat taken from a dead chicken. In other word, it is a corpse.
Tetty: I can't believe this! How can people sell such chicken meat?
Diana: Some say, they want to get more bucks of money.
Tetty: I don't think they should do it. They cheat the buyers.
Diana: More than that. They harm the buyers.
Tetty: That's right!