不可动摇的

例句：

1. 1. The company's leadership is unshakeable in the face of adversity.
   公司的领导层在逆境中坚如磐石。
2. 2. The mountain was so steep that it was considered unshakeable by many climbers.
   这座山太陡了，许多登山者认为它坚不可摧。
3. 3. The defenses were so strong that they were considered unshakeable against attack.
   这些防御工事非常坚固，以至于它们被认为是无法被攻破的。