圆凿方枘
    Pinyin: yuán záo fāng ruì

    Usage: 联合式；作谓语；含贬义

    Explanation: 枘榫头；凿榫眼。方榫头，圆榫眼，两下里合不来。比喻格格不入。

    Source: 战国楚·宋玉《九辩》圆凿而方枘兮，吾固知其龃龉而难入。”

  • Thesaurus:  circular orifice square timber