Not so hot also is a way of saying that you do not really like something.

VOA: special.2009.12.06

So you and Cullen, huh? That's... I don't like it.

VOA: standard.other

"Well,one of the things that's interesting about these flexible sheets is that they can be curved, so you could imagine putting them in unconventional forms, like on the surface of a vehicle or something like that, where you don't have a flat surface."

VOA: standard.2010.02.19

And this would sit on your belt. So it would sit like this and there would be batteries that you could either put in a fanny pack or there are all kinds of jackets you could wear in order to support the batteries,"

VOA: standard.2010.01.27