guard against的用法和樣例：
例句
- Buying a house is the best hedge against inflation.
購買房子是防止通貨膨脹的最佳保障。 - We should take measures to guard against accidents.
我們應該采取措施防止事故。 - We should be on guard against the enemy's invasion.
我們要防范敵人的入侵。 - Guard against being chauvinistic and always demanding your own way.
防范被沙文主義和總是要求你自己的路。
