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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
close eye
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'close eye' is not correct in written English.
The phrase should be 'keep an eye' or 'watch closely'. For example, "You need to keep an eye on your investments to ensure you make a profit."
⚠ May contain grammatical issues
News & Media
Wiki
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
"Close eye.
News & Media
Heavies keep a close eye on Hall.
News & Media
"We'll keep a close eye on him".
News & Media
He's watching and keeping a close eye.
News & Media
We have to keep a close eye on it".
News & Media
–Keep a close eye on pricing.
News & Media
We're keeping a close eye on that.
News & Media
Keep a close eye on this one.
News & Media
* Keep a Close Eye on Liquid Assets.
News & Media
Id keep a close eye on this.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Close eyes.
Wiki
Expert writing Tips
Best practice
When you intend to convey careful monitoring or vigilance, prefer using the idiom "keep an eye on" or the phrase "watch closely". For example, instead of saying "Keep a "close eye" on the budget", say "Keep an eye on the budget".
Common error
Avoid using the phrase "close eye" as it is not grammatically correct in standard English. The correct form is "keep an eye on". Using "close eye" may confuse your reader, or sound unnatural.
Source & Trust
78%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "close eye" functions as a noun phrase, often intended to convey the idea of careful observation or vigilance. However, it's crucial to note that the grammatically correct and idiomatic expression is "keep an eye on". Ludwig AI identifies the phrase as incorrect.
Frequent in
News & Media
37%
Wiki
33%
Science
15%
Less common in
Formal & Business
5%
Reference
5%
Social Media
0%
Ludwig's WRAP-UP
While the phrase "close eye" appears frequently in various sources, it is grammatically incorrect. The correct idiom is "keep an eye on" or use the phrase "watch closely". Ludwig AI flags "close eye" as incorrect and suggests using alternatives. When writing, especially in formal contexts, prioritize using the correct idiom to ensure clarity and grammatical accuracy. Although commonly found in News & Media and Wiki sources, it's essential to remember the grammatically correct alternatives, like "keep an eye on", "watch closely", or "observe carefully". By prioritizing grammatical correctness, you can ensure the message of being vigilant comes across flawlessly. Remember to "keep an eye on" best practices for effective communication!
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
keep a watchful eye
Replaces "close" with "watchful", emphasizing vigilance.
monitor closely
Replaces the idiom with a more direct verb-adverb construction.
observe carefully
Similar to "monitor closely", but with a focus on detailed observation.
keep under surveillance
Implies a more formal or investigative type of monitoring.
pay close attention
Shifts the focus to mental focus and attentiveness rather than physical observation.
keep tabs on
An informal idiom that means to monitor someone or something.
watch like a hawk
Emphasizes intense and constant vigilance.
scrutinize
Implies a very detailed and critical form of observation.
supervise
Suggests overseeing and directing an activity or person.
oversee
Similar to "supervise", implying a broader scope of responsibility.
FAQs
What's the correct way to say "close eye"?
The idiom you're likely looking for is "keep an eye on", which means to watch something carefully. Another option is to use the verb "watch closely".
Is "close eye" grammatically correct?
No, "close eye" is not grammatically correct in standard English. The correct idiom is "keep an eye on" or you can use the phrase "watch closely".
Can I use "close eye" in formal writing?
It's best to avoid "close eye" in formal writing because it's grammatically incorrect. Use "keep a watchful eye" or "monitor closely" instead.
What are some alternatives to "close eye" that I can use?
Instead of "close eye", try using "keep an eye on", "watch closely", or "observe carefully" depending on the context.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
78%
Authority and reliability
3.5/5
Expert rating
Real-world application tested