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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
do it fast
Grammar usage guide and real-world examplesUSAGE SUMMARY
'do it fast' is a correct and usable phrase in written English.
You can use it when you want to indicate that something should be done quickly. For example, "Hurry up and do it fast before it's too late!".
✓ Grammatically correct
News & Media
Wiki
Academia
Alternative expressions(6)
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
60 human-written examples
But do it fast!
News & Media
"Do it fast," he said.
News & Media
Speak up, and do it fast.
News & Media
But we've got to do it fast.
News & Media
And we're going to do it fast.
News & Media
Let's get even and do it fast".
News & Media
And they want to do it fast.
News & Media
And he has to do it fast.
News & Media
Plot it now, do it fast.
News & Media
I just tried to do it fast.
News & Media
"The question is whether we will do it fast enough.
News & Media
Expert writing Tips
Best practice
When instructing someone to "do it fast", ensure they understand the required quality is not sacrificed for speed. Clarify priorities if needed.
Common error
Avoid using "do it fast" when accuracy or thoroughness are more important. In such cases, focus on quality over speed to prevent errors.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "do it fast" functions as an imperative, directly instructing someone to perform an action quickly. As Ludwig AI states, the phrase is grammatically correct and is commonly used to urge swift action. It is often used in situations where time is of the essence.
Frequent in
News & Media
38%
Wiki
32%
Academia
9%
Less common in
Science
7%
Formal & Business
7%
Reference
7%
Ludwig's WRAP-UP
In summary, "do it fast" is a grammatically sound and very common imperative phrase used to urge someone to perform an action quickly. As stated by Ludwig AI, the expression is correct and usable in many writing scenarios. While it is prevalent across various contexts, it leans towards informality. When using the expression, consider the target audience and the importance of speed versus quality. It is best suited for informal or urgent situations where swift action is needed, as confirmed by its frequent appearance in sources like News & Media and Wiki entries. For professional or academic writing, more formal alternatives, like "expedite the process", might be more appropriate.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
get it done quickly
Focuses on achieving completion rapidly.
hurry up and do it
More urgent and direct.
expedite the process
More formal and emphasizes accelerating a process.
act swiftly
Focuses on the speed of action.
complete it rapidly
Stresses swift completion in a more formal tone.
finish it without delay
Emphasizes immediate completion.
make haste
A more archaic or literary way to say 'do it quickly'.
move with speed
Highlights velocity and momentum.
get cracking
Informal way to express starting something quickly.
chop chop
An informal and sometimes impatient way to urge someone to hurry.
FAQs
What does "do it fast" mean?
The phrase "do it fast" is an imperative that means to perform an action quickly or without delay. It's a direct way of instructing someone to act with speed.
How can I use "do it fast" in a sentence?
You can use "do it fast" when you want someone to complete a task promptly. For example, "If you want to catch the train, "do it fast"!"
What's a more formal way to say "do it fast"?
More formal alternatives include "expedite the process", "complete it rapidly", or "finish it without delay". These options are suitable for professional contexts.
Is there a risk when telling someone to "do it fast"?
While "do it fast" emphasizes speed, be aware that it might inadvertently encourage carelessness or reduced quality. Ensure the person understands the task's requirements and prioritizes accuracy when necessary. If accuracy is critical, emphasize it by saying "Do it right, even if you can't "do it fast"".
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested