Synonym of fleeting time

Time flies: 1, and "book" means that the years are like water, and the years are like water. Describe that time is gone forever.

2. In the old days, fortune tellers called people a year's luck: ~ unfavorable. Refers to a person who has been in an unfortunate state for many years. This is called bad luck.

3. fleeting time can also refer to life in general. In many novels, essays and other literary works, "time flies" and "on my time track" are common. Among them, fleeting time can refer to life or life, or it can refer to the epitome of a person's life.