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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
please fasten
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "please fasten" is correct and usable in written English.
It can be used when instructing someone to secure or tighten something, often in contexts like safety or travel. Example: "Before the flight takes off, please fasten your seatbelt and ensure your tray table is stowed."
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(1)
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
12 human-written examples
Please fasten your seat belts in preparation for landing.
News & Media
"Please fasten your seatbelts, ladies and gentlemen, as we commence our descent.
News & Media
Upon spotting one, Baer would hold a sign up to the window: "Please Fasten Your Seat Belt".
News & Media
The pilot's voice comes over the speaker, interrupting the music, telling them to please fasten their safety belts.
News & Media
Now we ask you to please fasten your seat belt by sliding the sharp metal buckle along the miniature chalkboard slate six-times fast, and then tying off the strap in a fisherman's knot.
News & Media
After Mr. Corzine was seriously injured in a car accident in 2007, Mr. Bloomberg reacted in a way that was not exactly empathetic: he criticized the governor for not wearing a seat belt, and he placed a sign in his official car saying, "Please fasten your seat belt".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
Fasten your seatbelts, please, it's Shakes on a Plane time, as alcoholic air marshal Liam Neeson tries to figure out who's sending him threatening texts before passengers start getting killed at the rate of one every 20 minutes – probably by him.
News & Media
Please keep your seatbelts securely fastened for the duration of the flight.
News & Media
To fasten your seat belt, please slide the metal end into the buckle and tighten using the strap.
News & Media
Fasten your safety belts and please keep your limbs inside the vehicle at all times.
News & Media
Thank you!" "Can I find Chinese people nearby?" "Would you please fill my bottle with hot water?" "Would you please shelter me for the night?" In a Flushing coffee shop, his bicycle leaned against a counter, with a collection of miniature flags fastened at the handlebars.
News & Media
Expert writing Tips
Best practice
When using "please fasten" in safety announcements (e.g., on airplanes), follow it with a specific instruction, such as "your seatbelt" or "all buckles", to avoid ambiguity.
Common error
Avoid using "please fasten" in contexts where a more descriptive verb would be appropriate. For example, instead of "please fasten the document", use "please attach the document" or "please staple the document".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "please fasten" functions primarily as an imperative, used to give a polite instruction or direction. It typically precedes a specific object, such as "your seatbelt", clarifying what needs to be secured, as demonstrated in the Ludwig examples.
Frequent in
News & Media
64%
Wiki
16%
Science
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "please fasten" is a commonly used and grammatically correct phrase that functions as a polite imperative. According to Ludwig, it's typically used to instruct someone to secure something, often for safety reasons. The phrase maintains a neutral register and appears frequently in News & Media sources. While there are more formal alternatives like "kindly secure", the usage of "please fasten" is widely accepted and understood. When using this phrase, ensure that the object to be fastened is clearly specified to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
please secure
Replaces "fasten" with "secure", keeping the same level of formality.
kindly secure
Replaces "please" with "kindly" and "fasten" with "secure", offering a slightly more formal tone.
please buckle
Uses "buckle" instead of "fasten", implying a specific type of fastening.
be sure to fasten
Offers a slightly gentler instruction to fasten something.
ensure it's fastened
Shifts the focus to ensuring the fastening is complete, rather than the act of fastening itself.
make sure it is fastened
Similar to "ensure it's fastened", but slightly more conversational.
secure tightly
Focuses on the tightness of the fastening, rather than the act itself; omits "please".
affix securely
Uses more formal vocabulary, replacing "please" with a less direct approach.
attach firmly
Similar to "affix securely", but emphasizes firmness.
do up tightly
Informal alternative using a phrasal verb.
FAQs
What is the best way to use "please fasten" in a sentence?
Use "please fasten" to politely instruct someone to secure something, especially in safety-related situations. For example, "Please fasten your seatbelt before takeoff".
Are there more formal alternatives to "please fasten"?
Yes, more formal alternatives include phrases like "kindly secure" or "ensure it's fastened", which may be more suitable for professional settings.
Is it always necessary to include "please" when instructing someone to fasten something?
No, "please" is not always necessary, but it adds a polite tone to the instruction. In informal contexts or emergency situations, it can be omitted. For example, "Fasten your seatbelts!"
What's the difference between "please fasten" and "please secure"?
"Please fasten" is a general instruction to attach or connect something, while "please secure" implies ensuring something is firmly and safely attached. The choice depends on the specific context and the desired emphasis.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested