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The soldiers need to be on the alert at all times.士兵们需要时刻保持警惕。We need to be on guard against attack. 我们需要保持警惕以防范袭击。The best thing is to be watchful and see the family doctor for any change in your normal health.最佳的做法是保持警惕，一旦你的身体状况有任何变化就立即去看家庭医生。The terrorist threat is still real, and the public should remain vigilant.恐怖主义威胁依然存在，公众要保持警惕。The organization is ever vigilant for threats to the habitats of birds.该组织对鸟类栖息地所面临的种种威胁始终保持警惕。The public should be vigilant and report anything suspicious.公众应保持警惕，遇到任何可疑情况都要报告。You must stay wide-awake against possible dangers.你必须保持警惕，防止可能的危险。We ask you all to be on the alert and to report anything suspicious immediately.我们希望大家保持警惕，发现可疑情况立即报告。Guaranteeing the safety of students requires continued vigilance on the part of teachers.要确保学生安全，教师需时刻保持警惕。Passengers should try to stay alert at all times, and report any suspicious packages to the police immediately.乘客要时刻保持警惕，发现可疑包裹立即报告警方。Prepare for action and be on the alert.准备行动，保持警惕。To combat thieves, it is important for staff to be vigilant at all times.防止窃贼犯案，工作人员随时保持警惕是很重要的。It is important that health organizations remain watchful.卫生组织保持警惕是极为重要的。Drugs are a problem that requires constant vigilance.毒品是一个需要长期保持警惕的问题。Councils should be chary of league tables.委员会必须对排名表保持警惕。We must stay alert.我们必须保持警惕。The perpetual need is to stay awake as long as we confront a powerful adversary.只要我们面临一个强大的敌手，就必须永远保持警惕。They stayed awake in their struggle against terrorists.在与反恐怖分子的斗争中他们始终保持警惕。The situation requires constant vigilance.对这种局势需要始终保持警惕。To this end the young child is forever watchful.这个年纪不大的孩子为此始终保持警惕。We remain vigilant against theft.我们对偷盗保持警惕。Police urged continued vigilance in the fight against crime.警方呼吁继续保持警惕打击犯罪。Just stay on the ball so it doesn't happen again.你要保持警惕，别再让这种事发生。Climbers need to be alert to possible dangers.登山者需要对可能存在的危险保持警惕。We remained alert for any signs of danger.我们对任何危险的迹象都保持警惕。Articles in the paper's Medical Section often alert readers to unsuspected ailments.该报医药栏里的文章常告诫读者对自己浑然不觉的疾病保持警惕。Whoever you send north has to have their wits about them.你无论派谁去北方，都要让他们保持警惕。We must be ever vigilant. Don't think that Fascism can never rise again. It can.我们必须随时保持警惕。不要以为法西斯主义不会再抬头，它可能会的。No one can keep their guard up all the time.没有人能自始至终保持警惕。 |