I can't believe it/that/this

I can't believe it/that/this

This information is so shocking or implausible as to be unbelievable. A: "Did you hear that Amanda got the promotion?" B: "Yep, and I can't believe it. I know I'm more qualified for it than she is!" Are they really closing McCauley's after 40 years? I can't believe it!
See also: believe, that, this
Farlex Dictionary of Idioms.

I can't believe (that)!

That is unbelievable! Tom: What a terrible earthquake! All the houses collapsed, one by one. Jane: I can't believe that! Bill: This lake is nearly two hundred feet deep. Sue: I can't believe that! Bill: Take my word for it.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • I can't believe!
  • hear (something) straight from the horse's mouth
  • You better believe it!
  • You had better believe it!
  • you('d) better believe it
  • you/you'd better believe it!
  • you'd better believe it
  • get (something) straight from the horse's mouth
  • get straight from the horse's mouth
  • bend over, here it comes again