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Fire on All Cylinders: Energy and Performance

Use one car-engine idiom family to describe full energy, a slow start, and getting ready to perform.

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Words and Their Stories · 3:49

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Source: VOA Learning English · Words and Their Stories

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The episode centers on “fire on all cylinders,” a car-engine image for performing at full capacity. Its positive, negative, and encouraging forms let speakers describe energy and readiness.

Cultural note: The phrase is informal and can sound conversational or humorous when someone is tired. Avoid using it to judge a colleague’s ability; describe the situation or energy level instead.

Keep exploringThe same engine image can praise peak performance, explain a slow morning, or encourage someone to get ready.

Phrase guide · 3 expressions

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Original explanations and examples, created for learners. Save a card for later or hear the phrase spoken by your browser.

At full capacity

Describe strong energy, focus, or productivity.

fire on all cylinders

Meaning

Work or function at full energy and effectiveness.

Tone & use

Informal and positive. It can describe a person, team, or system performing very well.

Example

“After a clear plan and a good night’s rest, the whole orchestra was firing on all cylinders.”

PositiveInformal / idiomatic

Not quite ready

Lightly explain a temporary lack of energy or alertness.

not firing on all cylinders

Meaning

Not functioning at one’s usual level of energy, focus, or effectiveness.

Tone & use

Often humorous or self-deprecating about being tired or distracted. Be tactful when describing someone else.

Example

“I’m not firing on all cylinders before breakfast, so let me review the figures again later.”

NeutralInformal / idiomatic

Prepare to perform

Encourage someone to bring their energy to a task.

get your cylinders fired up

Meaning

Get energized and ready to perform.

Tone & use

An informal, motivating variation. It may sound playful; use a straightforward encouragement in a formal setting.

Example

“The captain told the crew to get their cylinders fired up before the busy festival weekend.”

PositiveInformal / figurative

Knowledge check

Try it

Choose the expression that best fits each situation.

Try it · Choose the best expression

1 of 3

A team is doing its best work with strong focus and energy. How is it performing?