| Idiom | Meaning | Example | 
| not long for this world | 
soon will die, do not have long to live
 | 
When Lee had the flu, he said, "I'm not long for this world."
 | 
| not on your life | 
no; it is dangerous; no way
 | 
"Can I shoot your gun?" I asked. "Not on your life," she replied.
 | 
| not on your tintype | 
no, never, not on your life
 | 
Mom said, "You're not going to Vegas - not on your tintype!"
 | 
| not playing with a full deck | 
not rational, not all there
 | 
People say he's not stable - that he's not playing with a full deck.
 | 
| not so hot | 
not special, not superior, no great shakes
 | 
I went to hear Le Gang last night. They're not so hot.
 | 
| not speaking | 
not friendly, not speaking to each other
 | 
Emily and Pam had a fight. They're not speaking.
 | 
| not to worry | 
do not worry, no sweat
 | 
"I dropped my ice cream!" "Not to worry. There's more."
 | 
| not too shabby | 
quite good, better than average
 | 
Have you seen the new Camaro? It's not too shabby.
 | 
| not with it | 
not feeling right, out of it
 | 
I'm just not with it these days. I lack energy and confidence.
 | 
| not worth a plugged nickel | 
worthless, good for nothing
 | 
In 1930, stocks weren't worth a plugged nickel - nothing!
 |