come off vs cross the line

come off

verb
  • To have some success; to succeed. 

  • To occur; to take place. 

  • To become detached. 

  • To appear; to seem; to project a certain quality. 

  • To escape or get off (lightly, etc.); to come out of a situation without significant harm. 

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 off and cross the line occurred in a corpus of books? (source: Google Ngram Viewer )