Common Meanings
1
ruì枘
A tenon; a projecting piece shaped for insertion into a mortise to form a joint. It is commonly used in the idiom '枘凿' (square tenon in a round mortise) to metaphorically describe incompatibility.
这对搭档的性格就像枘凿，始终无法真正融合。
The personalities of this pair are like a square peg in a round hole; they can never truly merge.