hollow

• 内心空虚

  be empty within

• 生活空虚

  lead a life devoid of meaning

• 作家如果脱离群众，生活空虚，当然就写不出好作品。

  When authors separate themselves from the people, they lose meaning from their lives and then it's only natural that they can't produce any good works.

• 克服思想上的空虚和行动上的动摇

  overcome spiritual emptiness and indecisiveness

• 这样的思想是空虚的。

  This kind of thinking is spiritually void.

• 敌人后方空虚。

  The enemy's rear is weakly defended.