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Like Oil and Water: When Things Do Not Mix

Describe people or things that do not work well together without turning differences into stereotypes.

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Words and Their Stories · 4:17

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Source: VOA Learning English · Words and Their Stories

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“Like oil and water” describes people, objects, or ideas that do not mix or work well together. The episode connects the physical image of oil and water separating with compatibility and getting along.

Cultural note: The idiom can oversimplify conflict by suggesting that people are naturally incompatible. Use it for a specific situation, not as a permanent judgment about groups or identities; differences do not rule out cooperation.

Keep exploringTwo people can disagree in one setting and collaborate in another. Practise describing what does not fit and what common ground might still exist.

Phrase guide · 5 expressions

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Not compatible

Describe people or things that do not work well together.

like oil and water

Meaning

Unable to mix or work comfortably together.

Tone & use

Can describe people, ideas, or substances. Avoid treating a temporary disagreement as a permanent incompatibility.

Example

“Their planning styles were like oil and water, but they agreed on the project’s main goal.”

NegativeInformal / idiomatic

incompatible

Meaning

Not able to exist, work, or fit well together.

Tone & use

More formal and often more precise than the idiom.

Example

“The software versions were incompatible, so the files would not open correctly.”

NegativeNeutral / formal

Getting along

Talk about a relationship where interaction is difficult.

not see eye to eye

Meaning

Disagree with someone about an issue or decision.

Tone & use

Often about opinions; people who disagree may still work together.

Example

“The neighbors did not see eye to eye about the fence, but they found a practical compromise.”

NeutralInformal / idiomatic

get along

Meaning

Have a friendly or workable relationship with someone.

Tone & use

Can describe personal relationships or how people cooperate.

Example

“The new teammates got along well after they clarified their roles.”

PositiveInformal / phrasal verb

Find common ground

Look for shared goals even when styles differ.

common ground

Meaning

Shared interests, beliefs, or goals that can help people agree or cooperate.

Tone & use

Common in discussions and negotiations; it does not require full agreement.

Example

“They found common ground in wanting the park to stay open to everyone.”

PositiveNeutral / idiomatic

Knowledge check

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Choose the expression that best fits each situation.

Try it · Choose the best expression

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Two colleagues have different work styles but share the same goal. Which careful description fits?