流年起伏用英文怎么说呢

"流年起伏"是指时间流逝中经历的各种波折和变化。在英文中，可以用"ebbs and flows"来表示这个意思。

"Ebb and flow"这个短语本身来自于潮汐，指的是海水的涨落。它引申出来的意思是指一些事情或者情况不断地发生变化，有时高涨，有时萎靡。

下面是几个用"ebbs and flows"表达流年起伏的英文例句，并提供了中文翻译供参考：

The stock market has its ebbs and flows, but overall it has been on an upward trend. (股市有起伏，但总体上趋势是上升的。)
Life has its ups and downs, its ebbs and flows. (生活有起有落，有高有低。)
The popularity of a celebrity can have its ebbs and flows. (名人的名气有时升有时降。)