not all that in a sentence

Examples

1. The upstart Eagles, looking mean and not all that green.
2. Assembly is not all that mysterious, though the art is.
3. Things in Zimbabwe are better, but not all that much.
4. Franco said last weekend, his words not all that convincing.
5. It was a wondrous event, and not all that unusual.
6. I ran 4 minutes, which was not all that good.
7. By the way, your column is not all that shabby.
8. Because it was Halloween, this was not all that unusual.
9. It is time-consuming and sometimes not all that productive.
10. Perhaps it's not all that bad in other sports.