There is good pain and bad pain.

有好的痛苦也有坏的痛苦。

youdao

I fell down the stairs. Immediately, I felt a bad pain in my left hip and I couldn't stand at all.

我从楼梯上摔下来，马上感到左髋疼得厉害，我简直站不起来了。

youdao

Patient: : I fell down the stairs, Immediately, I felt a bad pain in my left hip and I couldn't stand at all.

病人：我从楼梯上摔下来，马上感到左髋疼得厉害，我简直站不起来了。壁。

youdao

If not,the pain in his head becomes extremely bad.

VOA: special.2010.03.30

Suppose we conjecture that the only thing intrinsically valuable is pleasure and the only thing intrinsically bad is pain.

假设我们推测出唯一,拥有固有价值的东西是快乐,唯一一样自身是坏的东西是痛苦。

耶鲁公开课 - 死亡课程节选

And one thing that seems intrinsically bad, one thing that seems to reduce the value of a life, is pain.

有一样东西看似本身就是坏的，它似乎在减少生命的价值，是痛苦。

耶鲁公开课 - 死亡课程节选

More study needs to be done on more common kinds of pain, such as headaches, bad backs and pain from disease.

WSJ: Doctors use brain scans to 'see' and measure pain

Only when the pain gets bad enough, it seems, will economies, like people, change.

ECONOMIST: Buttonwood

By November the pain was so bad it felt like a knife was stabbing him in the stomach.

FORBES: Magazine Article