vigilant

adj.

警惕的，警觉的；警戒的；机警；

1. We must keep an vigilant eye upon imperialism.
   我们必须对帝国主义保持警戒。
2. A pilot must be vigilant at all times.
   飞行员必须随时保持警惕。
3. The night shift has to be doubly vigilant.
   值夜班要加倍警惕。
4. The British Prime Minister Gordon Brown has urged people to be vigilant against the potential terrorist attack.
   英国首相戈登.

Vigilant Against Manipulation: The Effect of Regulatory Focus on the Use of Persuasion Knowledge
Building an Information System Design Theory for Vigilant EIS
Building an Information System Design Theory for Vigilant EIS
Building an Information System Design Theory for Vigilant EIS
Building an Information System Design Theory for Vigilant EIS
AVANT-GUARD:scalable and vigilant switch flow management in software-defined networks
AVANT-GUARD: scalable and vigilant switch flow management in software-defined networks
November). AVANT-GUARD: scalable and vigilant switch flow management in software-defined networks.
Sustaining attention to simple tasks: A meta-analytic review of the neural mechanisms of vigilant attention.
Entertainment device configured for interactive detection and security vigilant monitoring in communication with a control server