cloud up

曇る、雲が広がる

空に雲が広がって覆われること。

やさしい英語で： If the sky does this, clouds spread across it.

• The sky is starting to cloud up.
• It clouded up before lunch, and then it rained.
• Will it cloud up again this afternoon?

類義語： cloud over, become overcast

反対語： clear up

よく使う表現： begin to cloud up, cloud up quickly, cloud up before rain

濁る、曇る

透明さが失われたり、向こうが見えにくくなったりすること。

やさしい英語で： To become less clear or harder to see through.

• The water began to cloud up.
• My glasses clouded up when I entered the warm room.
• Why does the tank cloud up after feeding the fish?

類義語： cloud, become cloudy

反対語： clear

よく使う表現： cloud up with steam, cloud up quickly

雲状になる

ほこりや煙などが集まり、雲のようなかたまりになること。

やさしい英語で： Dust, smoke, or similar material gathers into a cloud.

• Dust began to cloud up behind the truck.
• Smoke clouded up above the fire.
• Fine sand can cloud up when the wind blows.

類義語： billow, form a cloud

よく使う表現： dust cloud up, smoke cloud up

頭が真っ白になる、頭が混乱する

衝撃的な出来事や深い悲しみで、はっきり考えられなくなること。

やさしい英語で： To become unable to think clearly because something shocking or deeply upsetting has happened.

• My mind clouded up after the shock.
• Her thoughts clouded up when she heard about the accident.
• His mind had clouded up, and he could not answer.

類義語： go blank, become confused

反対語： clear

よく使う表現： cloud up from shock, cloud up after something