Level 6 · word 14,415 of 20,000

vigilance

/ˈvɪdʒɪləns/ American
  • n. 警惕, 警觉
Definition
  • n. careful and continuous attention to possible danger
Example
The guards showed constant vigilance while watching the entrance at night.
警卫在夜间看守入口时始终保持警惕。