As time goes on, some things will disappear by themselves. How to describe it with idioms?

For busy people, time is like a flying horse. It runs too fast. Therefore, there are many idioms to describe how time flies, such as: the sun and the moon fly, time flies, the sun and the moon flow, cold comes and summer goes, the moon comes and goes, time flies, and after a while, in the blink of an eye, one day in Sanqiu flies, the sun and the moon fly, and time flies.

A moment means a short time.

A quarter of an hour means a short time.

A quarter of an hour means a short time.

Long time means short time.

A flash in the pan: excellent potted flowers with short opening time. A beautiful thing or scenery appears for a while and then disappears.

Fleeting: release; Death: disappear. As long as you relax a little, it will disappear. It's easy to describe time or opportunity.

With a flick of a finger. Metaphor time is extremely short.

Spare time every day: free; Here: That's enough. It means that there are many things and there is not enough time to finish them.

Time flies to describe how time flies.

The metaphor between fingers is extremely short.

Panting: Shortness of breath. Shortness of breath has not subsided. Metaphor time is short.

The sun and the moon fly, time flies, the years are fleeting, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment, a moment.