I felt a sharp pain in my lower back.

我感到背的下部一阵剧痛。

《柯林斯英汉双解大词典》

In laboratory simulations of challenging activities such as driving, those who felt in control of their lives pumped out lower levels of stress hormones such as cortisol.

在实验室的挑战性活动（比如驾车）的模拟中，那些觉得生活在自己的掌控之中的人产生的应激激素（比如皮质醇）更少。

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She felt him solicitously, lower down than his chest.

她关切地摸着他的胸口。

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They found that both real lower-class participants and those temporarily induced to rank themselves as lower class felt that a greater share of a person's salary should be used to support charity.

ECONOMIST: They are more selfish

Still, lower Manhattan felt very much under control.

FORBES: Wall Street Gets Back to Business, But For How Long?

Several aftershocks of lower magnitude were felt across a large area.

BBC: Italy: Earthquake hits near Bologna