Radical:

meaning for zhēn:

  • - to scout
  • - to spy
  • - to detectto detect
  • - to investigateto investigate a crime
  • - to scout
  • - to reconnoiter
  • - reconnaissance
  • - detection
  • - a scoutto investigate (as detective)
  • - to solve (crime)
  • - to uncover (a plot)
  • - to sniff out
  • - to break in and analyze
  • - detective work
  • - to scoutdetective
  • - to do detective worksurveillance aircraft
  • - spy plane