adj.無生命的；無趣味的；死氣沉沉的

Without health, life is not life, life is lifeless. 如無健康的身體，生活就不成為生活，人生也毫無生氣。

I had enough of this kind of lifeless life. 我受夠了這種枯燥的生活。

It was a lifeless performance. 那是一場死氣沉沉的演出。

adv.無生命地；死一般地