I have a pain in the back.

我背痛。

youdao

One in three employees with a commute longer than 90 minutes say they have had recurring neck or back pain within in the past 12 months.

在上下班时间超过90分钟的雇员里面，有三分之一的人表示在过去的12个月里经常发生脖子或者背痛。

youdao

They have like a two second rebound rate and you're back doing the next pain-in-the-ass thing.

不好两秒钟我们就和好如初然后我们接着再吵。

youdao

She might have passed it off as a bout of the flu if it hadn't been for the tremendous pain in her upper back.

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