between a rock and a hard place vs busy

between a rock and a hard place

prep
  • In a difficult and inescapable position. 

  • Having the choice between two unpleasant or distasteful options; in a predicament or quandary. 

busy

adj
  • Having a lot going on; complicated or intricate. 

  • Officious; meddling. 

  • Engaged in activity or by someone else. 

  • Crowded with business or activities; having a great deal going on. 

noun
  • A police officer. 

verb
  • To rush somebody. 

  • To make somebody busy or active; to occupy. 

How often have the words between a rock and a hard place and busy occurred in a corpus of books? (source: Google Ngram Viewer )