vigilant

adj.

1. 警觉的；警惕的；警戒的；谨慎
   very careful to notice any signs of danger or trouble
   1. A pilot must remain vigilant at all times.
      飞行员必须随时保持警惕。

1. ADJ-GRADED 警惕的;警觉的；警戒的
   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.
   1. He warned the public to be vigilant and report anything suspicious...
      他警告公众要提高警惕，遇到任何可疑情况都要报告。
   2. All but one of these letter bombs had been intercepted by vigilant post office staff.
      除了一封漏网之外，警惕的邮局员工截获了其余所有的邮件炸弹。

1. He warned the public to be vigilant and report anything suspicious
   他警告公众要提高警惕，遇到任何可疑情况都要报告。
2. All but one of these letter bombs had been intercepted by vigilant post office staff.
   除了一封漏网之外，警惕的邮局员工截获了其余所有的邮件炸弹。
3. Be vigilant against the danger of enemy agents infiltrating the government and boring from within.
   要警惕敌特渗入政府内部进行暗中破坏。
4. We must –-and we will& remain vigilant at home and abroad.
   我们必须也必将在国内和国外保持高度警惕。
5. We have to remain vigilant.
   我们需要保持警惕。
6. However, he said the incident makes clear the United States must remain vigilant against possible attacks.
   但他表示，这一事件显示美国必须对可能发生的袭击保持警惕。
7. Have suffered from "sudden attack" twice, I improved my vigilant.
   接连两次遭受“突然袭击”，我提高了警惕。
8. But as we are showing again this weekend, we remain vigilant.
   但是正像本周末我们再次显示的那样，我们依然保持警惕。
9. It is important to keep continually vigilant and creative regarding system and application security.
   因此对于系统和应用的安全，必须时时保持警惕和创新。
10. We feel that the danger of war still exists and we still have to remain vigilant.
    我们感到战争危险仍然存在，因此仍要保持警惕。
11. I grew up very afraid and therefore vigilant about others'attitudes and behaviors toward me.
    我成长经历中充满了害怕，因此他人对我的态度和行为，我都很警觉和谨慎。
12. We must remain vigilant at all times.
    我们必须时刻保持警惕。
13. But even so, we must remain vigilant and not allow them to take any of us out individually.
    不过即便如此，我们仍需时刻保持警惕，不能让中国分裂我们中的任何一个。
14. The public is asked to remain calm but vigilant.
    政府呼吁公众要提高警惕，保持冷静。
15. A widespread epidemic has been averted, but much remains to be done and we must remain vigilant.
    虽然一场大规模的流行扩散已经避免，但仍然有许多未完成的工作，我们必须时刻保持警惕。
16. If you are not vigilant enough, you will start to adopt their thoughts as your own.
    如果你不是足够的警惕，你就会开始把他们的思想作为你自己思想而采纳。
17. But we must remain vigilant in managing the risks that are associated with them.
    不过，在管理与资金流入有关的风险时，我们必须保持警觉。
18. This evening, I had to be especially vigilant.
    今晚我得特别警惕。
19. Have a fear that you must be very vigilant or you will be taken away by "someone".
    有一种你必须要非常警醒，否则你将会被“某人”带走的恐惧感。
20. Big retailers and producers have brands to protect, so they are vigilant.
    大型零售商和生产商要保护自己的品牌形象，所以他们时刻会保持警惕性。
21. Hong Kong had not reached this point, but should remain vigilant, he said.
    他说，香港还没发展到这一地步，但应当保持警惕。
22. We will continue to be vigilant and to take the lead on all aspects of tobacco control.
    我们将继续保持警惕并在烟草控制的各个方面发挥带头作用。
23. What we must be most vigilant about is maintaining an economic system that continues to encourage entrepreneurship and creativity.
    我们必须警惕的是最经济制度维持继续鼓励创业精神和创造性。
24. They have not been sufficiently vigilant against corruption and have not taken effective measures to stop it.
    对腐败现象警惕不足，纠正的措施也不得力。
25. Developing countries, like their developed counterparts, must be vigilant.
    发展中国家和发达国家一样，必须保持警惕。
26. Describe a situation in which you felt it necessary to be very attentive and vigilant to your environment.
    描述一个你认为有必要对环境非常专心和警觉的情形。
27. However, we have to remain vigilant to keep corruption at bay.
    然而，我们必须保持警觉，不可让贪污死灰复燃。
28. All staff all should be vigilant the fire insurance.
    所有的工作人员都应警惕火险。
29. I think Americans will remain armed and very vigilant when it comes to their own security.
    我认为，美国人仍将保持武装，在涉及到自己的安全时，他们仍将非常警惕。
30. But China's security forces will be vigilant.
    但是中国的安全力量却很警惕。

adj

1. carefully observant or attentive
   1. a policy of open-eyed awareness
   2. the vigilant eye of the town watch
   3. there was a watchful dignity in the room
   4. a watchful parent with a toddler in tow

   Synonym:    argus-eyedopen-eyedwakeful