用中文说: "Roller coaster ride"

Welcome to "用中文说", let's learn some new phrases in Chinese now! 

Roller coaster ride

【中文】跌宕起伏，变化很大

     Diēdàng qǐfú, biànhuà hěn dà

【解释】If it involves many emotional highs and lows.

【例句】

-The country's economy is on a roller coaster ride.

 这个国家的经济中处于巨大的变动中。

 Zhège guójiā de jīngjì zhōng chǔyú jùdà de biàndòng zhōng.

-The book properly describes the roller coaster ride of puberty.

 这本书很好的阐释了青春期过程中的的种种变化。

 Zhè běn shū hěn hǎo de chǎnshìle qīngchūnqí guòchéng zhōng de de zhǒngzhǒng biànhuà.