bone in the throat vs roadblock

bone in the throat

noun

  • A source of continuing annoyance; a hindrance. 

roadblock

noun

  • An obstacle or impediment. 

  • Something that blocks or obstructs a road. 

verb

  • To prevent, hinder. 

How often have the words bone in the throat and roadblock occurred in a corpus of books? (source: Google Ngram Viewer )