1. one's youth; youthfulness
    • 青春の血
    • young blood/the hot blood of youth
    • 青春の血に燃える
    • burn with the fire of youth
    • 彼は青春の情熱を仕事に注いだ
    • He concentrated on his work with youthful enthusiasm.
  1. 青春期adolescence
    • 青春時代に
    • in one's youth [young days]