defence against

基本解释

Is scientific scholarship perhaps only a fear and an excuse in the face of pessimism, a delicate self-defence against—the Truth?
科学学术圈会不会仅仅是一种面对悲观主义的恐惧和借口，一种纤弱的自我防卫针对的是—— 真理？
Strangely, she felt this awful feeling each time Ron spoke about the Defence Against the Dark Arts teacher.
可奇怪的是，每次罗恩提起这位黑魔法防御术老师，她就会感到这种恶劣的情绪。
Disease is also a risk, as members of tribal groups that have been contacted in the past have died of illnesses that they have no defence against, ranging from chicken pox to the common cold.
疾病也是一个危机，正如过去曾经接触过的，都已经死于疾病的其他部落的成员一样，他们没有任何的疾病防御，从水痘到普通的感冒都一样。

This should help to unlock cross-holdings of shares and remove a key defence against hostile takeovers.
ECONOMIST: Stumbling yet again?
America wants to bin the ABM treaty because it prevents it building a defence against missiles.
ECONOMIST: A running feud
In the end, the best defence against corruption is the vigilance of activists like Mr Saldi.
ECONOMIST: Pervasive corruption is bad for business