vigilance

名词

1. 1

   警觉、警惕

   Constant vigilance is needed to protect personal data online.

   要保护网路上的个人资料，必须时时保持警觉。

2. 2

   戒备、警戒

   Border guards have increased their vigilance since the incident.

   事件发生后，边境守卫加强了戒备。