Time flies: Time flies like an arrow.
Summer has passed and winter has come. Generally refers to the passage of time.
Running water is ruthless: running water is gone forever, and there is no affection. Metaphor time goes by, no intention to stay.
Blink of an eye: like a fine horse flying through a tiny gap. Describe how time flies.
The big dipper turns and the constellation moves. This means the change of time series and the passage of time.
Fleeting: It disappears after a little relaxation. It is easy to lose time and opportunity.
You may delay, but time will not. It means hurry up.
Years and months are like running water: describe the passage of time like running water.
Between fingers: metaphor time is very short.
Time flies: describe time gone forever.
The deceased is like this: time is like a river, and day and night pass by.