I don't feel up to going to work today.

我觉得不舒服，今天不能去上班。

《牛津词典》

After the accident she didn't feel up to driving.

她在事故以后，开车已力不从心。

《牛津词典》

Do we have to go to the party? I really don't feel up to it.

我们是不是一定得去参加这次聚会？我实在没有精力应付了。

《牛津词典》

"I think when it comes down to questions of hard cash and state budget, the European governments will feel they are doing what they can and it is not really up to the United States to tell them what to do,"

VOA: standard.2009.03.29

You have to look into yourself and say what would I really feel about that, what am I willing to give up in order to help save a life.

你必须去反省自己,说出自己真正的感受，问问自己为了拯救一个生命会放弃什么。

普林斯顿公开课 - 人性课程节选

You feel physiologically aroused but you're not completely sure why, and you have to make up an explanation for it.

你感觉到性觉醒,但是不能确定是什么原因，你不得不给出一个解释。

耶鲁公开课 - 心理学导论课程节选

If a leader doesn't feel up to the task, experts say retirement makes sense.

CNN: From pope to politician, when do you know it's time to go?

Team boss Luigi Troiani said Canavosio told them he "didn't feel up to being possibly used for 80 minutes".

BBC: Six Nations: Italy's Canavosio to miss England match

Cook says she can't think of an instance when a CEO stepped down because he or she didn't feel up to the job.

CNN: From pope to politician, when do you know it's time to go?