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

• We should be on guard against the enemy's invasion.
  我们要防范敌人的入侵。
• 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？
• Be on your guard against pickpockets.
  提防扒手。
• 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。
• We have made some achievements, and we must guard against complacency.
  我们已取得一些成就，但要防止自满情绪。
• Guard against mispronunciation when you learn a foreign language.
  学外语时要提防发音错误。
• Correct mistakes if you have made any and guard against them if you have not.
  有则改之，无则加勉。
• One should never intend to do harm to others, but should always guard against the harm others might do to him.
  害人之心不可有，防人之心不可无。
• We should take measures to guard against accidents.
  我们应该采取措施防止事故。
• We must be on guard against hidden enemies.
  我们必须警惕暗藏的敌人。