make bold vs take a flyer

make bold

verb
  • To take the liberty; to make free. 

take a flyer

verb
  • To make a choice with an uncertain outcome; to take a chance. 

  • To invest against odds. 

  • Used other than figuratively or idiomatically: see take, flyer. 

How often have the words make bold and take a flyer occurred in a corpus of books? (source: Google Ngram Viewer )