I feel so empty, my life just doesn't seem worth living any more.

我感到非常消沉，我的生活简直好像不值得再过下去了。

《柯林斯英汉双解大词典》

Feeling your departure is painful in my heart. Suddenly I feel so empty inside. I feel life is meaningless.

感受着你的离去，心里有一种刺痛，霎时间内心变得空荡荡的，感觉人生真的了无意义。

youdao

Having heard so many stories like this, I just feel I am like a balloon, which is seemingly flying high but is actually upheld by the cloud, and which is seemingly "full" but actually very "empty".

听多了这样的故事，便常常觉得自己像只气球，仿佛飞得很高，仔细一看却是被浮云托着；外表看上去也还饱满，但肚子里却是空空。

youdao