| 单词 | on yellow alert | 
| 释义 | > as lemmason yellow alert   yellow alert  n. originally Military a warning that danger, or an emergency, is thought to be near but not actually imminent; an instruction to be prepared for an emergency; (in  on yellow alert) an initial state of readiness to respond to an emergency; cf. sense  A. 11   and amber alert n.1, red alert n. at red adj. and n. Compounds 1f(c)(i). ΘΚΠ the world > action or operation > harm or detriment > danger > warning of imminent danger or evil > 			[noun]		 > specific types of warning by-warning1542 gypsy's warning1824 red warning1940 yellow1940 red alert1941 yellow alert1941 red1943 code1957 amber alert1958 content warning1977 trigger warning1993 1941    Bismarck 		(N. Dakota)	 Tribune 10 Dec. 1/5  				Army planes took to the skies at the first warning—a yellow alert. 1968    Punch 28 Aug. 279/1  				NATO forces had quickly been placed on ‘Yellow Alert’. 1969    Times 17 Sept. 1/8  				A yellow alert..on hospital beds..means that all cases not in need of immediate attention will not be admitted to hospitals. 2004    N.Y. Times 2 May  iv. 1/1  				Public discussion about a possible terror strike..has become far more than just another yellow alert for the nation. < as lemmas  | 
	
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