Even a short distance feels like a thousand miles; it describes a situation where people are physically close but unable to meet or interact easily, as if separated by a vast distance.
自从那次误会后，他们两人虽然住在同一个城市，却仿佛寸步千里，再也没能好好说过话。
Since that misunderstanding, even though they live in the same city, it felt as if they were separated by a thousand miles, and they never had a proper conversation again.
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