go off

鳴る、鳴り出す

警報やベルが、注意を知らせる音を出し始める。

やさしい英語で： If an alarm or bell does this, it starts making a warning sound.

• My alarm goes off at seven.
• The smoke alarm went off during dinner.
• Why does that bell keep going off?

類義語： sound, ring

よく使う表現： go off early, go off repeatedly, go off loudly

爆発する

爆弾などが爆発する。

やさしい英語で： If a bomb or similar object does this, it explodes.

• The bomb could go off.
• Fireworks went off above the river.
• The device went off before anyone could leave the building.

類義語： explode, detonate

よく使う表現： go off suddenly, go off nearby, go off accidentally

消える、止まる

明かりが消えたり、機械や電力の供給が止まったりする。

やさしい英語で： If a light, machine, or power supply does this, it stops working.

• The lights went off.
• Our heating went off during the night.
• The power keeps going off whenever there is a storm.

類義語： switch off, shut off, stop

反対語： come on

よく使う表現： go off suddenly, go off overnight, go off briefly

立ち去る、出かける

別の場所で何かをするためなどに、その場を離れる。

やさしい英語で： To leave a place, often to do something elsewhere.

• He went off without me.
• They have gone off to the park.
• Shall we go off and find somewhere to eat?

使い方： go off to somewhere (They went off to the beach.); go off to do something (She went off to buy bread.)

類義語： leave, depart, set off

反対語： arrive

よく使う表現： go off alone, go off together, go off shopping

発砲する、暴発する

銃から弾が発射される。事故で起こることも多い。

やさしい英語で： If a gun does this, it fires a bullet, often by accident.

• His gun went off.
• The pistol went off while he was cleaning it.
• Could this rifle go off if someone dropped it?

類義語： fire, discharge

よく使う表現： go off accidentally, go off unexpectedly, go off suddenly

激怒する、興奮する

突然ひどく怒ったり、激しく興奮したりする。

やさしい英語で： To suddenly become very angry or excited.

• He went off when he heard the news.
• She went off on me for being late.
• The fans went off when their team scored again.

使い方： go off on someone (He went off on his brother for losing the keys.)

類義語： lose it, blow up, lose your temper

反対語： calm down

よく使う表現： go off suddenly, go off again, go off shouting