time flies; days and nights pass quickly
A yojijukugo (four-character idiom) of Chinese origin. 烏 (crow) represents the sun, and 兎 (rabbit) represents the moon; together they evoke the swift passage of days and nights. Used in literary or formal contexts to express how time flies.
Time flies; before I knew it, it's already the end of the year.
The phrase 'uto sōsō' expresses how quickly the days and months pass.
Also means 'time flies,' but uses the metaphor of an arrow. More common and less literary than 烏兎匆匆.
Means 'time waits for no one.' Similar sentiment but focuses on the relentless passage of years rather than days and nights.
Standard kanji form using 匆匆. The variant 烏兎匆々 is also seen.
Variant with repeated kanji mark 々.
Rare variant using 怱 instead of 匆.
Rare variant with repeated 怱.
A yojijukugo of Chinese origin. 烏 (crow) is a traditional symbol of the sun, and 兎 (rabbit) of the moon, so the phrase literally means 'crow and rabbit in haste,' figuratively describing the swift passage of days and nights.