赢得比赛感觉像是一场空洞的胜利，因为对手太弱了。

Winning the game felt like a ___hollow victory because the opponent was weak.

她空洞的笑声暴露了她真实的悲伤感。

Her ___hollow laugh betrayed her true feelings of sadness.

名人文化推广一种空洞的享乐主义，缺乏真正的满足感。

The celebrity culture promotes a ___hollow hedonism that lacks real fulfillment.