vigilant

• adj. 警惕的；警醒的；注意的；警戒的

來自vigil,警醒，警覺，守夜。

vigilant (adj.)

late 15c., from Middle French vigilant or directly from Latin vigilantem (nominative vigilans) "watchful, anxious, careful," present participle of vigilare "to watch, keep awake, not to sleep, be watchful," from vigil "watchful, awake" (see vigil). Related: Vigilantly.

1. He warned the public to be vigilant and report anything suspicious.

他警告公眾要提高警惕，遇到任何可疑情況都要報告。

來自柯林斯例句

2. A pilot must remain vigilant at all times.

飛行員必須隨時保持警惕。

來自《權威詞典》

3. He has to learn how to remain vigilant through these long nights.

他得學會如何在這漫長的黑夜裏保持警覺.

來自《簡明英漢詞典》

4. The dog kept a vigilant guard over the house.

這隻狗警醒地守護著這所房屋.

來自《現代英漢綜合大詞典》

5. All but one of these letter bombs had been intercepted by vigilant post office staff.

除了一封漏網之外，警惕的郵局員工截獲了其餘所有的郵件炸彈。

來自柯林斯例句