come through vs cross the line

come through

verb
  • To succeed. 

  • To come into a room or other space through a door or passageway. 

  • To survive, to endure. 

  • To be communicated or expressed successfully. 

  • To not let somebody down, keep or fulfil one's word or promise. 

  • Used other than figuratively or idiomatically: see come, through. 

cross the line

verb
  • To achieve completion of something. 

  • To finish a race. 

  • To overstep a boundary, rule, or limit; to go too far or do something unacceptable. 

  • To cross the equator, as a vessel at sea. 

  • To film from the opposite side of an imaginary axis on set in order to view the actors from the opposite direction. 

How often have the words come through and cross the line occurred in a corpus of books? (source: Google Ngram Viewer )