great ups and downs 大起大落

“大起大落”，汉语成语，意思是大幅度的起与落，形容变化大。可以翻译为“great ups and downs，great/heavy/sharp fluctuations或 big rise and fall”等。

例句：

他的事业经历了大起大落。

His career has seen a whirlwind of ups and downs.

这支队伍本赛季表现大起大落。

The team has been playing erratically this season.