vigilant-alert 警惕的
Vigilant Ace 警戒王牌 ; 戒备王牌
Vigilant Eagle 警惕之鹰 ; 警惕鹰 ; 机场防护系统
Vigilant Bastion 警觉壁垒的
Vigilant Defender 警觉防御者的
Lee Garth Vigilant 维吉伦特
Be Vigilant 保持警惕 ; 警惕
ADJ Someone who is vigilant gives careful attention to a particular problem or situation and concentrates on noticing any danger or trouble that there might be. 警惕的
He warned the public to be vigilant and report anything suspicious.
他告诫公众要保持警惕，报告任何可疑情况。
vigilance N-UNCOUNT 警惕
Constant vigilance is needed to combat this evil.
同这种邪恶作斗争需要时刻保持警惕。
Renault's competitor PSA Peugeot Citroen is "extremely vigilant" about the risks of industrial espionage.
雷诺的竞争对手标志雪铁龙“极其警惕”工业间谍的风险。
However, a different explanation is necessary in cases where the vigilant behavior is not directed at predators.
然而，在警觉行为不针对捕食者的情况下，则需要不同的解释。
While such vigilant tracking of cancer is a good thing in general, researchers are increasingly questioning whether all of this testing is necessary for the elderly.
尽管总体上看，这种对癌症警惕的持续观察是一件好事，但研究人员越来越怀疑，是否所有这些检查对老年人来说都是必要的。
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