time flies
The Chinese idiom Li ú Gu āì ngy ì sh ì in pinyin means that time flies very fast. It's from near the sand.
The origin of Idioms
Song Qi's "waves wash sand near" says: "young people don't care, the flow of light is like an arrow, because they follow, they don't feel the change of time."
Idiom usage
Used as an object or attribute; used of time, etc. example success is rare and fleeting. (Chapter 46 of the popular romance of the Republic of China by Cai Dongfan and Xu Xianfu)
Chinese PinYin : liú guāng yì shì
time flies
the students surpass the teacher. bīng hán yú shuǐ
A flagellation of humiliation. pú biān shì rǔ