There are valid reasons boredom may feel so painful.

有充分的理由证明无聊会让人感到如此痛苦。

youdao

The small cut on your finger is so painful.

你手指上的小伤口好疼。

youdao

It produces a deafening sound so painful that it temporarily disables a person.

它会发出震耳欲聋的声音，非常痛苦，可对人造成暂时伤残。

youdao

So some people say reading it is too painful and insulting for black children.

VOA: special.2010.03.21

So much of the pathos of Satan's fallen condition involves his painful memory of that blissful state in heaven from which he had fallen.

很多撒旦堕落后的悲怆,夹杂了他憾失此前在天堂的幸福生活的,苦痛的回忆。

耶鲁公开课 - 弥尔顿课程节选

I just want to float to the dining hall after-- " so much easier, so much less painful."

我只想下午时飘去餐厅-,更加容易，更少痛苦“

哈佛公开课 - 幸福课课程节选

So much in the world is so painful, and cartoonists can speak about this so poignantly.

FORBES: Cartoons By Women Around The World Are A Needed Perspective

But with other budget cuts, such as Medicare and welfare, becoming so painful, the pole may get shorter.

CNN: Budget cutters take hard look at Social Security - Sept. 27, 1995

All this would not be so painful if there were demand to meet the rising supply of equities.

ECONOMIST: Japanese shares