chóng​guī​dié​jǔ

overlapping compasses and squares

重规叠矩 重規疊矩 chóng​guī​dié​jǔ
overlapping compasses and squares
(of compasses and squares) to be laid one on top of another; to overlap
to follow a pattern
to follow a previous pattern or tradition exactly; often used to describe conforming to rules or, pejoratively, to describe repetitive imitation without innovation
to be identical
(of situations, events, or literary works) to be exactly the same; to coincide