分庭抗礼

fēntíng-kànglǐ

[stand up to sb.as an equal; act independently and defiantly; make rival claims as an equal; match one's wits; treat sb. as an equal] 抗: 对等相当, 也作"伉"。 原意为宾主分处庭院两边, 相对设礼, 以平等之礼相待。 后喻指平起平坐, 相互对立

偏据一偶, 分庭抗礼