出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第98页(214字)
形容害怕得不得安宁,例荷枪实弹的士兵如临大敌地在街上来回巡逻,使市民惶恐不安。
When fully armed soldiers patrol the streets,as if facing a formidable foe.The common people are in a state of apprehension.