get out of line vs rock the boat

get out of line

rock the boat

verb
  • I'd just jump in and fix it, but that's not my job, and I don't want to rock the boat. 

  • To disturb the status quo or go against rules or conventions, as in an effort to get attention. 

How often have the words get out of line and rock the boat occurred in a corpus of books? (source: Google Ngram Viewer )