“于七”是个多义词，它可以指于七（清朝起义者）, 于七（京东怯大鼓演员）。
生于七月四日 Born on the Fourth of July ; Born ; Born on the ; Born on the Fourt
一晨之计在于七时 Morning's at seven
但这所属于七姊妹学院 Seven Sister Schools
关于七七软件 About KC
关于七年 Seven years about
位于七滨 Shichigahama
三加四等于七 Three plus four equals seven
关于七巧板的一个定理 A Theorem on the Tangram
六枝源于七个 Guizhou Today
载于七 set out at seven
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