| 单词 | on alert |
| 释义 | > as lemmason alert 2. The state of being vigilant and prepared to act as necessary; watchfulness; awareness; frequently in on alert and variants. Cf. on the alert at Phrases.Sometimes as an official military or security status. ΘΚΠ the world > action or operation > safety > protection or defence > vigilance > [noun] wareness971 i-warnessa1250 awaitc1374 watch14.. circumspecta1513 vigilancy1537 vigilance1570 advigilancy1577 wait?1578 vigilantnessa1599 lookout1599 watchfulness1611 alert1801 wakefulness1830 outlook1879 monitoring1924 1801 J. O. Vandeleur Duty of Officers 74 Beat up his quarters frequently, and keep him in a state of alert, in order to fatigue him. 1873 Ballou's Monthly Mag. Oct. 335/2 Each one who receives notice [of an escaped prisoner] must give notice, and be on alert. 1913 Baroness Orczy Eldorado xxiv. 225 Whether the Committee of General Security kept a company of soldiers in constant alert in that house, we shall..never know. 1940 W. S. Churchill in Hansard Commons 5 Sept. 46 We immediately resumed our work under the conditions of alert. 1960 Billboard 20 June 94/2 American troops on alert over the North Pole have a touch of home with juke box music. 1991 Sunday Times 8 Sept. i. 20/1 Labour is on full alert for a November 7 poll. 2001 Vanity Fair (N.Y.) Dec. 160/1 The all-news channels kept us in chronic state of alert with crawl lines about anthrax and military buildup. < as lemmas |
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