guard against

英 [ɡɑːd əˈɡenst]

美 [ɡɑːrd əˈɡenst]

提防; 防范

柯林斯词典

• PHRASAL VERB 提防；防范
  If youguard againstsomething, you are careful to prevent it from happening, or to avoid being affected by it.
  1. The armed forces were on high alert to guard against any retaliation.
     武装部队保持高度戒备，以防发生任何报复行动。

双语例句

• He is constantly on guard against any threat of humiliation.
  他时刻提防着任何有辱尊严之事。
• Millions of doses of antibiotics and smallpox vaccine have been stockpiled to guard against biological weapons.
  为防卫生物武器的袭击，美国已贮备了数百万支抗生素和天花疫苗。
• We must guard against accidents.
  我们必须谨防事故。
• You have made good progress in teaching and researching but you should guard against complacency.
  你的教学科研取得了长足的进步，但不应因此而自满。
• Reason is a guard against rash action.
  理智能防止草率行动。
• We must be on guard against hidden enemies.
  我们必须警惕暗藏的敌人。
• Guard against mispronunciation when you learn a foreign language.
  学外语时要提防发音错误。
• Her way to guard against being attacked is never to go out alone at night.
  她防止受到袭击的方法是从不在晚上独自外出。
• Correct mistakes if you have made any and guard against them if you have not.
  有则改之，无则加勉。
• How to be on guard against pickpockets and swindlers?
  乘坐地铁时如何防范扒窃和诈骗行为？