brush off vs close one's eyes

brush off

verb
  • To disregard (something), to dismiss or ignore (someone), as unimportant. 

  • Used other than figuratively or idiomatically: see brush, off. To remove something with a brush. 

close one's eyes

verb
  • To ignore something. 

  • Used other than figuratively or idiomatically: see close, one's, eyes. 

  • To sleep. 

How often have the words brush off and close one's eyes occurred in a corpus of books? (source: Google Ngram Viewer )