It was the enemy 's boast of impregnability that caused their own defeat .
敌人自我吹嘘战无不胜，这最终导致了他们自己的失败。
The need to be seen protecting the home front has apparently extended political impregnability over another big chunk of the federal budget .
让民众看到保护家园的需要，显然使政治坚盾延伸到了联邦预算的另一大项上。
Above all , the rightwing economic and political ideas first popularised by margaret thatcher in the 70s have , finally , lost their air of impregnability .
