1.   I know this idea sounds crazy, but it may be worth a try.

2.   The idea sounded crazy to me.

3.   The whole idea sounds plumb crazy to me.

4.   Current Mayor Wellington Webb observes that going to property owners for a tax increment during a horrific downturn sounds crazy.

5.   Even today the Scherzo sounds crazy.

6.   He said it sounded crazy to him.

7.   I know this sounds crazy, but he does.

8.   I realized how crazy it all sounded, then I let him down gently, with a huge kiss and hug.

9.   If that sounds crazy, remember that it took Tom Cruise two years to realize he had been in a vampire movie.

10.   If that idea sounds crazy to you, then you are not in touch with reality, European style.