Because the resistance makes it harder work simply to breathe, your body is half-waking up over and over again during the night, so you don't feel refreshed in the morning.

因为阻力会让简单的呼吸变得艰难，夜间的时候你的身体反复地处于半睡半醒状态，所以早晨的时候你就会感觉没有精神。

youdao

Don't work out to the point of injury, but push yourself during exercise routines - don't give up because you don't feel like it or you're tired.

不要锻炼到受伤的程度，但是在日常锻炼中鞭策自己——不要因为你不喜欢或你感觉很累而放弃。

youdao

Trying to get your Good Work done can feel like Sisyphus rolling his rock up the mountain, a never-ending task.

做好工作的感觉像是不停的把岩石推向山顶，一项永远不会结束的任务。

youdao

It got to the point where I would wake up in the morning and feel physically sick at the thought of having to go to work.

BBC: Ex-council boss Christine Laird's legal costs plea

Despite having decried the economic crisis in near-apocalyptic terms in an attempt to lay blame on President Bush and, by association, McCain, the junior senator from Illinois didn't feel the urgency to show up for work and try to do what he could to address it.

CNN: Commentary: McCain has his priorities straight

And while some may feel like they need a drink or two to work up the courage to take the plunge ... alcohol isn't a good idea before taking a cold dip.

CNN: Are polar bear plunges good for you?