boom

急成長する、繁栄する

急速に成長する、または大いに成功する。

やさしい英語で： To grow quickly or become very successful.

• Business is booming this year.
• The town's population boomed after the factory opened.
• Tourism continues to boom despite higher prices.

類義語： flourish, thrive, expand

反対語： decline, shrink

よく使う表現： begin to boom, continue to boom, boom in summer

轟く、鳴り響く

遠くまで届く、大きく低い音を出す。

やさしい英語で： To make a loud, deep sound that carries a long way.

• Thunder boomed above us.
• His voice boomed across the hall.
• The drums are booming in the distance.

類義語： resound, thunder

よく使う表現： boom loudly, boom out, boom across something

轟音を立てて進む

大きく低い音を立てながら、勢いよく前へ進む。

やさしい英語で： To move forwards with great force while making a very loud, deep noise.

• The train boomed past us.
• Waves boomed into the narrow cave.
• Floodwater boomed through the broken gate.

使い方： boom through/past/into something (The express train boomed through the tunnel.)

類義語： roar, thunder

よく使う表現： boom through something, boom past someone, boom into something

轟音、爆発音

特に爆発で生じる、大きく低い音。

やさしい英語で： A loud, deep sound, especially one made by an explosion.

• We heard a loud boom.
• A boom of thunder shook the windows.
• Several booms echoed across the valley.

類義語： bang, roar, rumble

よく使う表現： a loud boom, sonic boom, boom of thunder

急成長、急増

事業や活動が急速に拡大したり、数が急増したりする時期。

やさしい英語で： A period when business, activity, or numbers grow very quickly.

• The housing boom created many jobs.
• There has been a boom in online shopping.
• Several small companies grew during the economic boom.

使い方： a boom in something (The town saw a boom in tourism.)

類義語： surge, upswing

反対語： slump

よく使う表現： economic boom, boom in sales, housing boom

ブーム

動かせる長い棒。特に船の帆の下端を支えるもの。

やさしい英語で： A long movable pole, especially one holding the bottom of a boat's sail.

• The boom moved above the deck.
• Duck when the boat's boom swings across.
• The microphone hangs from a long boom.

類義語： spar, arm

よく使う表現： sailing boom, microphone boom, crane boom

ドーン、ボン

爆発の大きく低い音を表す言葉。

やさしい英語で： A word that represents the loud, deep sound of an explosion.

• Boom! The bomb exploded.
• The fireworks went boom above our heads.
• We heard a loud boom! Then the windows shook.

類義語： bang

よく使う表現： boom bang, go boom

あっという間に、ほら

何かが突然起こることや、結果がすぐ出ることを強調する言葉。

やさしい英語で： Used to show that something happens suddenly or that a result appears quickly.

• Press this button and boom, you're finished!
• Then boom, the lights went out.
• One quick change and boom, the problem was solved.

類義語： voilà, hey presto

よく使う表現： and boom, then boom