spiral

渦巻き、螺旋

中心の周りを回りながら、中心に近づいたり遠ざかったりする曲線。

やさしい英語で： A curved line that winds around a central point, getting farther from or closer to it.

• Draw a spiral on the paper.
• The shell has a beautiful spiral pattern.
• Smoke rose in slow spirals above the fire.

類義語： coil

よく使う表現： draw a spiral, in a spiral, spiral shape

急増する、急落する

急速な増加や減少が続き、しばしば抑えにくくなる。

やさしい英語で： To keep increasing or decreasing quickly, often becoming difficult to control.

• Prices continue to spiral.
• Our debts spiralled out of control last year.
• The company's profits have spiralled downwards.

使い方： spiral out of control (Housing costs have spiralled out of control.)

反対語： stabilize

よく使う表現： spiral out of control, spiral upwards, spiral downwards

螺旋状に動く

点や線の周りを巻くような道筋に沿って動く。

やさしい英語で： To move in a winding path around a point or line.

• Smoke spirals up from the chimney.
• The leaves spiralled slowly to the ground.
• We watched the plane spiral down through the clouds.

使い方： spiral down/up (The bird spiralled down towards the field.)

類義語： coil, circle

よく使う表現： spiral down, spiral upwards, spiral through something

精神的に悪化する、落ち込んでいく

不安や心の不調が次第に強まり、自分では止められないように感じる。

やさしい英語で： To become increasingly upset or mentally unwell, often feeling unable to stop it.

• She felt herself starting to spiral.
• He spiralled into despair after the breakup.
• When anxiety makes me spiral, I call a friend.

使い方： spiral into something (After losing his job, he spiralled into depression.)

類義語： deteriorate

反対語： recover

よく使う表現： spiral into depression, spiral into despair, start to spiral

螺旋状に回転させる

物を螺旋状に動かしたり、進みながら回転させたりする。

やさしい英語で： To make something move in a winding path or turn as it travels.

• Can you spiral the ball?
• The quarterback spiralled the football towards his teammate.
• She learned to spiral a pass accurately.

類義語： spin

よく使う表現： spiral a ball, spiral the football