1.   A small crowd grew, amused disbelief on their faces.

2.   They know the music territory, and it shows in the mix of amused disbelief and forgiveness they bring to their observations.

3.   Writing in a tone of amused disbelief, the plain-speaking president described in detail the attention lavished on him at dinner by two White House butlers.

4.   Manila Film Center security guard Bobby Bocala shakes his head in amused disbelief as he watches the Questors.