...back pain.

背痛

...a bone disease that caused excruciating pain.

造成剧痛的骨病

To help ease the pain, heat can be applied to the area with a hot water bottle.

用热水瓶热敷疼痛部位有助于缓解疼痛。

I felt a sharp pain in my lower back. [+ in]

我感觉到后腰一阵剧痛。

The illness began with a nagging pain.

那种病一开始是持续疼痛。

...chest pains.

胸痛

...grey eyes that seemed filled with pain.

似乎充满了痛苦的灰眼睛

This public acknowledgment of Ted's disability pained my mother. [VERB noun]

这一下大家都知道了特德的残疾，这让母亲非常痛苦。

It pains me to think of you struggling all alone. [VERB noun to-infinitive]

想到你一个人苦苦挣扎，我很难过。

Mobil is at pains to point out that the chances of an explosion at the site are remote.

美孚公司急于说明那个地点发生爆炸的可能性微乎其微。

All Corfield got for his pains was a bullet in the head.

科菲尔德千辛万苦，到头来却被一枪爆头。

The Professor lavished his learning on the young visitor but gained little gratitude for his pains.

教授将自己的学识倾囊传授给那位年轻访客，到头来却没有获得一点感激。

We were forbidden, under pain of imprisonment, to use our native language.

我们被禁止使用母语，违者将被关进监狱。

Social workers went to great pains to acknowledge men's domestic rights.

社会工作者尽量尊重男性的家庭权利。

I had taken great pains with my appearance.

我在自己的容貌上下了很多工夫。