齐大非偶的英文是「the state of qi is too powerful to be a partner in marriage」
qi da fei ou
指辞婚者表示自己门第或势位卑微,不敢高攀。
先秦·左丘明《左传·桓公六年》:“齐侯欲以文姜妻郑大子忽,大子忽辞。人问其故,大子曰:‘人各有耦,齐大,非吾耦也。’”