"Fate hasn't done its work" is the explanation used again and again by people who have reached marriageable age but who show no signs of getting hitched, when asked about the future.
「緣分未到」幾乎是所有已屆適婚年齡、而紅鸞星毫無動靜的單身貴族，在被詢及終身大事時一再重覆的答案。