Please tell me which of the following sentence is correct and why?

  • It is no good asking him for help.
  • It is not good asking him for help.

Please explain the usage of no and not. Are they adverbs or adjectives or something else?


1 Answer 1


They are both correct but have different meanings. It's no good (doing something) .. is an idiom that means there is no point or use in doing it; you are wasting your time doing it. For example: It's no good asking him for help. He's too busy with his own work.

Similar examples from Google:

It's no good asking – no one knows what it is and where it comes from.

It's no good asking them anything, they couldn't care less!

It's no good asking me. I haven't got a clue.

On the other hand, It's not good (doing something) .. means that it's not a good idea to do it. For example: It's not good asking him for help; he will think you are incompetent.

More Google examples:

It's not good asking that, here on the internet, because there are many people, who will try take you down.

It's not good asking to move deadlines because, as a freelancer, you lose credibility.

It's not good asking strangers health related problems, better consult the professionals.

  • I'd say "It's not good to ask" rather than "It's not good asking."
    – WendiKidd
    Commented Jun 14, 2013 at 14:54

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