1.Even unpleasant sensation of pain, aching, stiffening, itching and the like must be mindful of as they really are.
即使是不愉快的感受，如痛、僵硬以及痒等，都必须如实地观察。
2.According to the scientists, although we think of pain as purely physical in nature, in fact we imbue the unpleasant sensation with meaning.
科学家认为，尽管人们觉得疼痛只是单纯的生理感受，但事实上我们会赋予这种并不舒适的感觉以意义。
3.It's no surprise that your doctors are stumped because there are no scientific studies on treating this unpleasant sensation.
你的医生会被难住一点也不奇怪，因为现在还没有针对这种讨厌的感受而进行的科学研究或治疗方法。
4.It wasn't an unpleasant sensation because it wasn't a sensation at all.
这感觉不好，因为这根本不能算是一种感觉。