be on guard against;watch out for;be vigilant;be on the alert;guard ;
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。
来源:《柯林斯高阶英汉双解学习词典》The assessor asserts that he inserted the deserted desserts in the desert with alert.
估价人认定他警惕地把被抛弃的甜点心插入沙漠中.
来源:网络文摘精选It was quite as much with a hunter's habit as from any feeling of alarm.
这不仅是出于警惕,也是猎人的本能反映.
来源:词典精选例句One should be alert to involvement of other organ systems in diagnosing these entities.
诊断这些疾病时,应警惕其它器官系统受到连累.
来源:词典精选例句Highly alert of ankle joint tuberculosis is the key of early correct diagnosis.
早期正确诊断的关键在于提高对本病的警惕性.
来源:互联网摘选The blackbird had a quick, wary look in case the cat was anywhere around.
这只乌鸫迅速警惕地张望了一眼,以防那只猫就在附近。
来源:《柯林斯高阶英汉双解学习词典》The virginity associated with Virgo actually relates to discernment, to the choice.
由处女去联想处女座的特质,也可以发现一些,如警惕、审慎 、 沈静以及羞涩.
来源:互联网摘选The assessor asserts that he insmerted the deserted desserts in the desert with alert.
估价人认定他用警惕把被抛弃的甜点心插入沙漠中.
来源:网络文摘精选Bird watchers on the alert for a rare species; cops were on the job and caught them red-handed.
鸟类学家警惕地看的一个稀有品种;警察们很警惕并且当场抓获了他们。
来源:互联网摘选目前,国内对肺动脉栓塞(PE)的警惕性不高,漏诊率高达80%〔1〕以上,正确诊断率低,误诊率高。警惕性病向儿童蔓延及其对策&附125例临床分析
来源:互联网摘选Guard against revisionism, particularly the emergence revisionism at the party Centre.
要警惕出修正主义, 特别是要警惕在中央出修正主义.-----毛泽东.
来源:网络文摘精选
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