Task persistence is also reduced when people are stressed or tired from exertion or lack of sleep.

当人们有压力、因为努力而疲惫或者缺乏睡眠时，人们的持久力也会减低。

youdao

Since including it in my routine I have less trouble breathing under stress and I recover faster from exertion thanks to quicker lactate clearance.

自从我的日常训练中有了它，在压力下我几乎没有呼吸困难，并且由于乳酸的快速清除，使我迅速消除疲劳感恢复体能。

youdao

You get TIRED from exertion, from difficult or long-sustained effort—running a marathon, doing errands all day, managing your home and your kids' lives.

你会由于努力做事、长时间艰辛不懈地努力-像跑一场马拉松、东跑西颠了一天或者因为在家里做清洁、照顾孩子而感到很累。

youdao

And finally, tired from the exertion of surfing Hilton takes us back to his local neighbourhood of Bernal Heights for a relaxing massage at Integral Body, concluding his idea of a perfect morning in San Francisco.

BBC: The Real San Francisco

From couch potatoes to Olympic athletes, everyone has a physical capacity for exertion, beyond which the body becomes stressed and begins to feel bad.

WSJ: Hard-Wired to Hate Exercise?