Improve Gnaw at meaning in Urdu

Is there any meaning of the word gnaw at that needs an edit? Please click that meaning to rewrite it.

پر gnaw

Is there any meaning of the word gnaw at that needs to be removed from the list? Please click that meaning to mark it for deletion.

پر gnaw

Do you want to add a new meaning, definition, and a sentence of the word gnaw at? Please feel free to add.