bode vs pin down

bode

verb
  • To indicate by signs, as future events; to be an omen of; to portend or foretell. 

  • simple past tense of bide 

  • To betoken or augur something good or bad that will happen in the future. 

noun
  • A stop; a halting; delay. 

  • An omen; a foreshadowing. 

  • A herald; a messenger. 

pin down

verb
  • To identify something (e.g. a decision or plan) clearly or specifically. 

  • To hold the opponent back-first so both his or her shoulders touch the mat or ground. 

  • To corner somebody in order to get a firm answer. 

  • To attach or secure with pins. 

How often have the words bode and pin down occurred in a corpus of books? (source: Google Ngram Viewer )