by no stretch of the imagination vs under no circumstance

by no stretch of the imagination

prep
  • Synonym of in no way: never ever, not for any reason; in no sense. 

  • Synonym of by no means: certainly not, definitely not, not by any means. 

under no circumstance

prep
  • In no case, whatever happens; never. 

How often have the words by no stretch of the imagination and under no circumstance occurred in a corpus of books? (source: Google Ngram Viewer )