idle

何もしていない、暇な

仕事や役に立つ活動を何もしていない。

やさしい英語で： Not doing any work or other useful activity.

• The workers stood idle.
• I cannot sit idle while everyone else works.
• Several staff members remained idle all morning.

類義語： inactive, unoccupied

反対語： active, busy

よく使う表現： idle workers, stand idle, remain idle, idle workmen

使われていない、遊休の

使われていない、または活動がほとんどない。

やさしい英語で： Not being used, or containing little or no activity.

• The factory has idle machines.
• She filled her idle hours with reading.
• Much of the available land remains idle.

類義語： unused, unoccupied

反対語： occupied

よく使う表現： idle hours, idle machinery, idle time

アイドリングする

車が止まったまま、エンジンが低い回転数で動く。

やさしい英語で： If an engine does this, it runs slowly while the vehicle stays still.

• The engine idled quietly.
• Do not leave your car idling outside the school.
• Several trucks were idling in the car park.

よく使う表現： idle at lights, idle in traffic, let something idle

ぶらぶらする、何もせず過ごす

ほとんど何もせず、または役に立つことをせずに過ごす。

やさしい英語で： To spend time doing very little or nothing useful.

• We idled by the river.
• He idled around the house all day.
• She was idling in the café when I arrived.

類義語： loaf, laze

反対語： work

よく使う表現： idle around town, idle by something, idle in bed

無駄に過ごす

役に立つことを何もせずに時間を過ごす。

やさしい英語で： To spend time without doing anything useful.

• They idled away several hours.
• She idled the afternoon away at a café.
• Do not idle away the whole weekend.

使い方： idle away something (We idled away the morning beside the pool.)

類義語： waste, while away

よく使う表現： idle away time, idle away hours, idle the afternoon

アイドリング

エンジンが止まらずに動き続けられる最低の出力設定。

やさしい英語で： The lowest power setting at which an engine keeps running.

• The engine runs smoothly at idle.
• A rough idle may suggest an engine problem.
• He reduced the throttle to idle.

よく使う表現： at idle, rough idle, idle speed