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

• For example, some farmers in Kenya use donkeys to guard against lions and cheetahs.
  例如，肯尼亚的一些农民用驴来防范狮子和猎豹。
• Correct mistakes if you have made any and guard against them if you have not.
  有则改之，无则加勉。
• 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。
• 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。
• Guard against mispronunciation when you learn a foreign language.
  学外语时要提防发音错误。
• He is constantly on guard against any threat of humiliation.
  他时刻提防着任何有辱尊严之事。
• 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。
• 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？
• It is necessary to guard against disastrous fires when burning wild bushes and weeds.
  放荒时一定要提防火灾。