please be vigilant

USAGE SUMMARY

"please be vigilant" is correct and usable in written English.
It can be used to encourage someone to be alert and aware of their surroundings, particularly in dangerous or unpredictable situations. For example, a police officer might tell a resident of a high-crime neighborhood: "Please be vigilant when you're out at night. There have been several robberies in the area recently."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

Sadly, there is no way of predicting where the song-dominating warbler will strike next, so please be vigilant.

The Guardian - Music

While we're doing everything we can to contain these threats, please be vigilant and don't invite conflict.

The New Yorker

If you want to see cryptocurrency succeed, in any form at all, please be vigilant against this form of "divide & conquer".

Huffington Post

Please be vigilant and call the local police or park manager to help stop traffic while a wildlife expert can move the bird to safer grounds.

The New York Times

Please be vigilant.

Huffington Post

When we're out walking, please be vigilant for me.

WikiHow

Human-verified similar examples from authoritative sources

Similar Expressions

52 human-written examples

"Our message is to come and enjoy the views but please, please, use common sense, be vigilant and don't go scrambling over rockfalls".

BBC

"Please be extremely vigilant," he said.

Vice

Please be extremely vigilant, particularly over the next few weeks as we ramp up the production rate to 5k/week.

Vice

"Please be ultra-vigilant".. James Leigh-Pemberthe, the boss of UKFI, said he assumed the banks worked for £1 because of the cache associated with such high-profile work.

The Guardian - Business

Please be careful with your own bodies and long-term health and be vigilant in safeguarding your children.

Huffington Post

Expert writing Tips

Best practice

When using "please be vigilant", clearly state what the recipient should be vigilant about to provide context and avoid ambiguity.

Common error

Avoid using "please be vigilant" without providing specific information about what the recipient should be watching out for. Vague warnings can be confusing and less effective.

Linguistic Context

The phrase "please be vigilant" functions as an imperative, expressing a polite request or instruction for someone to be watchful and alert. Ludwig AI confirms that the phrase is correct and usable in written English.

Expression frequency: Uncommon

Frequent in

News & Media

71%

Wiki

29%

Formal & Business

0%

Less common in

Science

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "please be vigilant" is a grammatically sound and polite way to urge someone to be watchful and alert, as confirmed by Ludwig AI. While not extremely common, it is frequently found in News & Media and Wiki contexts. Its purpose is to warn and advise, conveying a sense of seriousness suitable for neutral to professional settings. For clearer communication, it is best practice to specify what one should be vigilant about. Alternatives such as "please be careful" or "stay alert" may be used depending on the specific context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

kindly remain alert

Uses 'kindly' for politeness and 'alert' to emphasize readiness.

stay watchful, please

Reverses the order and uses 'watchful' to focus on observation.

be on the lookout

Emphasizes actively searching for potential threats.

exercise caution, please

Highlights the need for careful behavior.

keep a sharp eye out

Suggests close and careful observation.

remain observant

Focuses on paying close attention to details.

stay attentive

Stresses the importance of focus and concentration.

do stay alert

Adds emphasis with 'do' and focuses on alertness.

be careful

A more general warning to avoid danger or mistakes.

pay close attention

Emphasizes the need to focus on something specific.

FAQs

How can I use "please be vigilant" in a sentence?

You can use "please be vigilant" to advise someone to be alert and cautious. For instance, "Please be vigilant about phishing emails" or "Please be vigilant while driving in this area".

What's a good alternative to "please be vigilant"?

Alternatives include "please be careful", "please be watchful", or "stay alert", depending on the context.

Is "please be vigilant" formal or informal?

"Please be vigilant" is generally considered neutral to formal in tone, suitable for professional or serious contexts, but acceptable in informal situations as well.

What does it mean to "be vigilant"?

To "be vigilant" means to be keenly watchful to detect danger; to be carefully observant or attentive; to be on the lookout for potential problems or threats.