impressed vs out on a limb

impressed

adj
  • stamped, under pressure 

  • confiscated by force or authority 

  • compelled to serve in a military force 

  • strongly affected, especially favourably 

out on a limb

phrase
  • In a risky, precarious, daring, or uncompromising position, especially one outside of the mainstream; vulnerable. 

How often have the words impressed and out on a limb occurred in a corpus of books? (source: Google Ngram Viewer )