enfeebled by our sedentary lifestyles因久坐少动的生活方式而变得虚弱的

He finds himself politically enfeebled.他发现自己的政治势力被削弱了。

the already enfeebled newspaper那家已经式微的报纸

This would mean that an extra burden would be put on our already enfeebled economy.这意味着将给我们已然衰退的经济增加额外的负担。