It feels bad to not be good at something.

如果不擅长某事会感觉很糟糕。

youdao

Clara feels bad for the little turtle.

克拉拉为小乌龟感到难过。

youdao

He feels bad about the defeat.

他因失败而感到不愉快。

youdao

It certainly feels, to my mind, as though it's an extra bad about the nature of death.

当然有这个，在我看来，像是关于死亡本性的另一个坏处。

耶鲁公开课 - 死亡课程节选

To say giving bad news to an enemy is reinforcing because it makes the enemy feel bad doesn't say anything different from giving bad news to an enemy feels good because we like to give bad news to an enemy.

由于使敌人感到不快,而认定向敌人散布坏消息是强化行为,这与因为我们想要敌人听到坏消息,而向心情良好的敌人散布坏消息,没什么区别。

耶鲁公开课 - 心理学导论课程节选

Mr. Danforth, age 74, said he feels bad Mr. Flynn can't retire, too.

WSJ: A Barber Misses Market's New Buzz

The celeb feels bad about her skin and so does Jane.

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And, according to some evangelicals, he feels bad when this happens.

NEWYORKER: Seeing and Believing