I didn't know you could do that but it sounds like a great idea.

"That does sound like a good idea, but that's not going to be what makes the decision."

A day on the water sounds like a good idea.

"It does not sound like such a bad idea, at least until the river is returned to us."

And right now, some insurance didn't sound like such a bad idea.

I'm saying it doesn't sound like a very good idea.

Drinking myself to death didn't sound like a great idea, though it might look better in the morning.

He's right; this does sound like a really bad idea.

Put that way, it did sound like a good idea.

That was beginning to sound like a really good idea.