They feinted and concentrated forces against the most fortified line of the enemy side.
他们虚晃一招，然后集中兵力攻打敌方最坚固的阵线。
The volunteers were fortified by their patriotic belief.
爱国信念更加坚定了志愿者们的信心。
The tower is a relic of grim days when big houses had to be fortified against invaders.
这座塔是那些灰暗岁月的遗迹，那时大房子不得不被加固，以抵御侵略者。
The position of that country was fortified by economic recovery.
该国的地位因经济复苏而得到加强。