hard on

v work hard on something

construct complex dams and underwater lodges v work hard on something

blow or breathe hard on or into

v breathe or blow onto as a ritual or sacramental act, especially so as to symbolize the action of the Holy Spirit v treat by blowing a powder or vapor into a bodily cavity v blow or breathe hard on or into

Craig attempted to explain his behavior by claiming that his shoe touched the officer's underneath the partition because he had a "wide stance", when going to the bathroom. > Genevieve is really crushing hard on the varsity QB