What does it mean to say that a person has ups and downs?

This shows that this person goes with the flow, has no own position, and likes to echo others.

Chénú: refers to ups and downs, ups and downs, and also refers to going with the flow.

Make a sentence

People's lives are always ups and downs in high tides and low tides. Only mediocre people can live like stagnant water.

Lonely, ask the boundless earth, who is in charge of ups and downs?

On blue days, you will feel that you are ups and downs in the ocean of sadness.

Watch the cherry blossoms slowly blooming in the cup rise and fall in warm water.

She had already flown away, floating in the sea of business.