He's 'deadly' [='dead'] serious about finding another job.
Officers are allowed to use 'deadly force' if necessary.
The two gang leaders are 'deadly' enemies.
(..) Danny, stop the crane now! Drop! Go, go, go! Drop, you gas bag! Everybody out of here! Silent but deadly. - Bring the car around. - The helicopter landed on it. I hate when that happens. Tar actually sticks to some people. Hey, Dad! I thought you could use some clothes. Thank you, honey. (..)1993 Last Action Hero