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Open the tool →枘凿方圆 (ruì zuò fāng yuán) is a Chinese idiom (chengyu) meaning “Incompatible”.
枘凿方圆 is pronounced ruì zuò fāng yuán in Mandarin Chinese.
Literally, 枘凿方圆 means “Square tenon, round mortise”. It is used to mean “Incompatible”.
枘、凿,榫头与卯眼。一方一圆,则无法投合。比喻不调协,扞格不入。