give someone a piece of one's mind vs give someone a rating

give someone a piece of one's mind

verb
  • To express one's opinion strongly; to voice one's disagreement or dissatisfaction, especially with another person; to scold or rebuke someone. 

give someone a rating

How often have the words give someone a piece of one's mind and give someone a rating occurred in a corpus of books? (source: Google Ngram Viewer )