Translation guide
A roller coaster is an amusement park ride with steep slopes and sharp turns. In Japanese, the most common term is ジェットコースター, but ローラーコースター is also used. Figuratively, it can describe a situation with many ups and downs.
Referring to the physical ride at a theme park.
The most common term for a roller coaster in Japanese. Despite the name, it does not necessarily involve jets; it's a wasei-eigo (Japanese-made English) word.
That amusement park has a big roller coaster.
I love riding roller coasters.
A less common alternative, closer to the English 'roller coaster'. It may be understood but is not as widely used as ジェットコースター.
This amusement park's roller coaster is very fast.
Literally 'screaming machine', a colloquial term for thrill rides including roller coasters. Used more in casual conversation or media.
I'm not good with thrill rides.
Describing a situation or experience with many sudden changes, especially emotional or financial.
Means 'like a roller coaster', used to describe something with dramatic ups and downs. Commonly used for emotions, relationships, or stock markets.
His life was like a roller coaster.
Stock prices are fluctuating like a roller coaster.
Literally 'the ups and downs are intense', a common way to describe a situation with extreme fluctuations.
While both are understood, ジェットコースター is the standard term. ローラーコースター may sound like a direct translation from English and is less common. In most situations, stick with ジェットコースター.
A four-character idiom meaning 'stormy and full of ups and downs', often used to describe a turbulent life or story. More literary than the roller coaster metaphor.
Her life was full of ups and downs.
This industry has a lot of ups and downs.