bat a thousand vs cross the line

bat a thousand

verb
  • To achieve perfection. 

  • To achieve success at each attempt. 

  • To have identical outcomes with each attempt. 

  • To reach first base on every at-bat. 

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