rollercoaster

ジェットコースター

急な上り下りやカーブのあるレールを、小さな車両で高速で走る遊具。

やさしい英語で： A fairground ride with small cars that travel fast along a track with steep climbs, drops, and turns.

• I love riding rollercoasters.
• We queued for the park's biggest rollercoaster.
• Have you ever been on a rollercoaster that goes upside down?

類義語： switchback, coaster, 🎢

よく使う表現： ride a rollercoaster, a wooden rollercoaster, rollercoaster ride

浮き沈み、激しい変動

感情や状況が、良い方にも悪い方にも激しく短時間で変わること。

やさしい英語で： A situation in which feelings, events, or conditions change quickly and strongly, often between good and bad.

• This year has been a rollercoaster.
• Their relationship was an emotional rollercoaster.
• Investors endured a rollercoaster of gains and losses.

使い方： a rollercoaster of something (The election became a rollercoaster of hope and disappointment.)

類義語： ups and downs

よく使う表現： an emotional rollercoaster, rollercoaster of emotions, a financial rollercoaster