What is the definition of fleeting time?

Like water flowing for years; In the past, fortune tellers called people a year's luck.

Liu (pinyin: liú) is a first-class universal Chinese character. This word first appeared in Shi Guwen in the Spring and Autumn Period. The original meaning is generally considered to refer to the movement of water, and the extension refers to the movement of liquid. It also refers to communication and diffusion, and it also refers to unfounded rumors. As a modifier, it means to move like water. Later, it expanded to categories, factions and grades. It also refers to forcibly moving prisoners to remote places, which is one of the ancient punishments.

In, a commonly used Chinese character, pronounced "nian", first appeared in Oracle Bone Inscriptions. Its original meaning is that the year is ripe and the grain is ripe, that is, "Shuo Wen Jie Zi": "The year is ripe and the grain is ripe." It is equivalent to a year's harvest, year, festival, year and year, and it is also a time unit, which refers to the period of about 365 and 1/4 solar days required for the earth to orbit the sun once.