person A: My brother took SAT test lately and received 2000 as his final score. I was very surprised and was not expecting it from him at all
person B: Oh nice.  Is he the type to tone himself down in social settings...but he's secretly a wiz kid
person A: Generally_comma_ he is not that much an attentive person. And for him to receive such a high score is quite unusual
person B: Well gotta watch out for him...it's the quiet unassuming ones that are usually full of surprises