跌宕起伏让人坚强。

Ups and downs make one strong.

人生是一段充满跌宕起伏的漫长旅程。

Life is a long journey full of ups and downs.

永远感受跌宕起伏的温情。

To feel for ever its soft fall and swell.

命运的扭转；跌宕起伏的故事

A twist of fate; a story with a quirky twist.

生命是历经跌宕起伏，给予和接受。

Life is ebb and flow , give and receive.

我们正在不断经历着一轮的跌宕起伏

We're a constant round of ups and downs

它讲述了跌宕起伏的贝里隆德家庭多年。

It tells about the ups and downs of the Berglund family over many years.

她生活中曾经跌宕起伏，但总能振作起来。

She has met many obstacles in her life, but she always pulled herself together

但是，回首过去的一百年，两国关系跌宕起伏。

But their relationship has seen ups and downs over the past century.

但是考虑到火山喷发，跌宕起伏，须耗时数日。

He tries to catch volcanoes when they are their highest levels of activity, but calculating the ups and downs of the eruptions can take days to complete.