Round tables seat more people in the same space as a square table.

在同一空间里，圆桌比方桌可以坐更多的人。

《柯林斯英汉双解大词典》

They remain all their lives square pegs in round holes.

他们一辈子都是圆洞里的方钉。

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The fans came in different shapes, such as round and square.

扇子有不同的形状，如圆形和方形。

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Try to imagine-- can you do that or can you not do that?-- try to imagine a round square.

试着去想象,你可不可以这样,试着去想象一个圆的方形

耶鲁公开课 - 死亡课程节选

Shoaib returned for another burst but could not find the same speed with the older ball and was not as dangerous, Ganguly with plenty of time to paddle it round past square-leg to the boundary.

BBC: CHOOSE A SPORT

They have certainly done better in the FA Cup so far this season, knocking out Horsham, Canvey Island and Slough before winning a fourth qualifying round replay 4-3 at Blue Square Premier side Eastbourne Borough after drawing the initial tie 3-3.

BBC: Tooting boss revels in cup glory

The shapes of nails are even changing, from traditional round and square to diagonal and borderline-threatening almonds and pointy stilettos.

CNN: On main street and the runway, nail art is the new lipstick