not to be sniffed at
Not to be despised
• • •
Main Entry: ↑sniff
* * *
very good, or good enough to consider having
A £50,000 a year salary is not to be sniffed at!
Main entry: sniff
* * *
not to be ˈsniffed at idiom
•
In those days, $20 was not a sum to be sniffed at.
Useful english dictionary. 2012.