torpor
n. 不活泼；麻木；懒散，迟缓
例句
He had slumped into a state of torpor from which nothing could rouse him.
他陷入了一种麻木状态，什么事都不能唤起他的兴趣。
《柯林斯英汉双解大词典》
In the heat they sank into a state of torpor.
炎热的天气使得他们委靡不振。
《牛津词典》
The sick person gradually falls into a torpor.
这位病人逐渐陷入了萎靡状态中。
