It could also express a fear of not being able to enjoy life or that there's something wrong (" ill "or" rotten ") in one's life.

这还可以反映出对某一潜在疾病的恐惧，又或者表达的是对不能享受生活的担忧，或生活中出现了不如意的地方。

youdao

One can enjoy his life only when he is fully prepared for the coming difficulties. Good health condition is also a must. Failures are the most precious thing in one's life.

你只有做好迎接困难的准备，时刻锻炼自己的身体，才能顺利地度过你得人生，而失败是你最宝贵的财富。

youdao

On one's journey of life some people hurry on with a heavy heart in pursuit of fame and wealth while others go easy and enjoy themselves in harmony with nature.

人生旅途上，一些人带着疲乏的追名逐利之心匆匆前行，另一些人却自在逍遥地与自然和谐相处，飘逸而行。

youdao