blow out of proportion vs cross the line

blow out of proportion

verb
  • To overreact to or overstate; to treat too seriously or be overly concerned with. 

cross the line

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

  • To achieve completion of something. 

  • To finish a race. 

  • 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 blow out of proportion and cross the line occurred in a corpus of books? (source: Google Ngram Viewer )