n.
警戒；警惕；【医】失眠症vigilance
Noun
the process of paying close and continuous attention;
"wakefulness, watchfulness, and bellicosity make a good hunter"
"vigilance is especially susceptible to fatigue"
vigilant attentiveness;
"he keeps a weather eye open for trouble"
vigilance例句
用作名词(n.)
In spite of vigilance a polar bear escaped from the zoo.
尽管警戒很严，北极熊还是逃出了动物园。
Police's vigilance was eventually rewarded.
警方时时警戒终有所获。
We must maintain keen vigilance at all times.
任何时候我们都要保持高度的警惕。
You cannot afford to relax your vigilance for a moment.
警惕性是万万不可放松的。
vigilance近义词
deliberation chariness watchfulness alertness attentiveness care observance caution awareness weather eye wakefulness