cannot perform as expected

USAGE SUMMARY

The phrase "cannot perform as expected" is correct and usable in written English.
You can use it when discussing the performance of a system, device, or individual that is not meeting anticipated standards or outcomes. Example: "The software update has caused the application to malfunction, and it cannot perform as expected."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

IDC is plain: Emerging markets are not performing as expected.

TechCrunch

It performed a live separation test of its crew capsule from the rocket booster and everything performed as expected.

TechCrunch

Mansoor was informative, performing as expected.

Los Angeles Times

It might take communication to find out why an employee is not performing as expected.

Huffington Post

These comparisons confirmed that the hybridizations performed as expected.

G3: Genes, Genomes, Genetics

Technical analysis showed that the microarrays performed as expected.

BMC Genomics

Once installed and configured, the eSMAF performed as expected.

BMC Geriatrics

Quality controls included with each kit performed as expected.

Arthritis Research and Therapy

Loyal employees become embittered, because without resources, they cannot perform as well as the hired guns.

Harvard Business Review

But others admit they cannot perform as well as they would like.

The Guardian

But even when working as intended, some digital gizmos still cannot perform as well as their analog ancestors.

The New York Times

Expert writing Tips

Best practice

When using "cannot perform as expected", clearly define the expectations to provide context. For example, instead of saying 'the software cannot perform as expected', specify 'the software cannot perform complex calculations as expected due to a bug'.

Common error

Avoid using "cannot perform as expected" without providing specific details about the performance deficiency. Ambiguity reduces the statement's effectiveness. Instead of a vague statement, describe the exact problems such as, 'the device cannot maintain a stable connection as expected when under heavy load'.

Linguistic Context

The phrase "cannot perform as expected" functions as a descriptor, indicating a discrepancy between anticipated and actual performance. It often modifies a noun, specifying a failure to meet predetermined standards. As Ludwig AI confirms, this phrase is usable and grammatically correct.

Expression frequency: Uncommon

Frequent in

News & Media

35%

Science

33%

Academia

32%

Less common in

Encyclopedias

0%

Wiki

0%

Formal & Business

0%

Ludwig's WRAP-UP

The phrase "cannot perform as expected" is a grammatically correct and usable expression, as confirmed by Ludwig AI, used to describe situations where something fails to meet the required or anticipated standards. While its frequency is uncommon, it appears across various contexts, including news, science, and academia. To maximize clarity, it's best to specify the expectations that are not being met, avoiding vague statements. Alternatives such as "fails to meet expectations" or "does not function as intended" can be used to convey similar meanings with slightly different emphasis. Using this approach will ensure your message is more effective and direct.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

fails to meet expectations

Replaces "cannot perform" with a direct statement of failure, focusing on unmet expectations.

does not function as intended

Focuses on the intended functionality, highlighting a deviation from the original design or purpose.

underperforms relative to expectations

Emphasizes the comparative aspect of performance against a benchmark.

falls short of desired results

Highlights the discrepancy between actual results and desired outcomes.

does not live up to the hype

Emphasizes a failure to meet pre-existing anticipation, specifically negative comparison.

performs below par

Uses a golfing metaphor to indicate a substandard performance level.

is not up to snuff

Uses an informal idiom to describe something that doesn't meet the required standard.

performs inadequately

Focuses on the insufficiency of the performance, implying a lack of quality.

fails to deliver the promised results

Highlights a failure to meet a pre-existing commitment or promise regarding outcomes.

doesn't measure up to what was anticipated

Focuses on the gap between the actual performance and the anticipated level.

FAQs

What does it mean when something "cannot perform as expected"?

It means that something isn't working the way it was supposed to, or isn't achieving the results that were hoped for. This could apply to a product, a person, or even a system.

What are some alternatives to saying "cannot perform as expected"?

You can use alternatives like "fails to meet expectations", "underperforms", or "does not function as intended" depending on the specific context.

Is it better to use "cannot perform as expected" or "did not perform as expected"?

It depends on the context. "Cannot perform as expected" suggests a current or ongoing inability, while "did not perform as expected" refers to a past event. For example, 'The prototype cannot perform as expected' (ongoing), vs 'The device did not perform as expected during the test' (past).

How can I make my writing clearer when using the phrase "cannot perform as expected"?

Be specific about what the expectations were. Instead of just saying something "cannot perform as expected", explain what specific task or function is not being adequately fulfilled. For instance, "The new engine cannot deliver the promised fuel efficiency as expected" is much clearer.