警惕
英文解釋:
  1.   precaution
  2. adj.  alert
  3. vi.  guard
  4. n.  vigilance
  5. n.  look out
  6. n.  on one's guard
  7. n.  keep an eye out for
  8. n.  vigilant attention
  9. n.  keep one's weather eye open
  10. n.  watchful and prepared
  11. adj.  vigilant
  12. v.  on guard
  13. v.   raise one's guard
法文解釋:
  1. v.  être vigilant