in deep water vs in trouble

in deep water

in trouble

prep
  • Pregnant, unmarried, and not likely to be married before giving birth. 

  • Suffering difficulties. 

  • Liable to be punished for misbehavior; in disgrace. 

adj
  • in a difficult situation 

How often have the words in deep water and in trouble occurred in a corpus of books? (source: Google Ngram Viewer )