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。
• 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。
• We should be on guard against such people.
  我们应警惕这种人。
• Reason is a guard against rash action.
  理智能防止草率行动。
• Guard against mispronunciation when you learn a foreign language.
  学外语时要提防发音错误。
• We must be on guard against hidden enemies.
  我们必须警惕暗藏的敌人。
• And right off I was on guard against Mencken's books.
  我马上就对门肯的书警觉起来了。
• 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。
• Be on your guard against pickpockets.
  提防扒手。
• 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。