健康的生活用英语可以说是 "a healthy lifestyle". 这个短语来源于拉丁语 "salus"，意思是健康、幸福、平安。

例句：

1. Eating a healthy diet and exercising regularly are important for maintaining a healthy lifestyle.

吃健康的饮食和经常锻炼对于保持健康的生活方式很重要。

2. He made a commitment to change his unhealthy habits and adopt a healthy lifestyle.

他承诺改变他不健康的习惯并采用健康的生活方式。

3. She believes that a healthy lifestyle is the key to a long and happy life.

她相信健康的生活方式是长寿和快乐生活的关键。