backache
🇺🇸
/ˈbækeɪk/
🇬🇧
/ˈbækeɪk/
pain in your back that lasts for some time
After lifting heavy boxes all day, I developed a bad backache that made it hard to sleep.
一日中重い箱を持ち上げた後、ひどい背中の痛みが発生し、眠れなくなりました。