可以这么说, my back hurt for not too short a time.或者说成, my back has been hurting for a relatively long time.
I have back pain for some time a sore or have a short period of time rather than the
以你那样就翻译成 我的背已经严重伤害的不是一个短的时间内
意思不错,不符合表达习惯
My back has been hurt for quite some time.
英语要求言简意赅。
应该是My back hurts deadly for a long time.
这句不行
i have been backache for a long time.