Used and loved by millions
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
this is a left
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this is a left" is not correct and does not convey a clear meaning in written English.
It may be intended to refer to a left turn or a left direction, but without additional context, it is ambiguous and unclear. Example: "When you reach the intersection, this is a left you need to take to get to the park."
⚠ May contain grammatical issues
News & Media
Science
Wiki
Alternative expressions(2)
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
1 human-written examples
And I don't think this is a left thing or a right thing, that we would mandate that young people, who almost by definition are more healthy, less wealthy, would be forced to buy a mandated insurance policy from a private company, to subsidize more wealthy, less healthy older people.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Daniel Filâtre, Toulouse II-Le Mirail's president, does not consider this to be his problem: "This is a left-wing university which has a social project," he explains.
News & Media
"We don't think this is a left-right issue," said Weinstock.
News & Media
This is a left-skewed distribution due to size based sexual dimorphism, minimized by the low percentage of females in the sample population (Fig. 3).
Science
This is a left-handed fighter (either naturally or converted).
Wiki
This was a left hemisphere effect and is therefore consistent with numerous reports suggesting left more than right amygdala involvement in schizophrenia [67], [68], [69].
Science
This was a left adrenal gland tumor with invasion of the tail of the pancreas and multiple bone metastasis.
Science
The idea we were putting out there was that this was a left-wing power grab by Gore, the same way Fidel Castro did it in Cuba.
News & Media
Nonetheless, this is a classic left-right contest between a society-focused president and an economy-oriented challenger.
News & Media
As k ∈ ( 0, 1 ) and ( X, d ) is a left K-sequentially complete quasi-pseudo-metric space, this implies that { x n } is a left K-Cauchy sequence in X.
In many ways, this novel is a left-handed love letter to America.
News & Media
Expert writing Tips
Best practice
When providing directions, be specific. Instead of saying "this is a left", clarify by saying "this is a left turn" or "turn left here".
Common error
Avoid using the phrase "this is a left" without additional context. It's unclear and may confuse the reader. Always specify what 'left' refers to (e.g., a turn, a side, a direction).
Source & Trust
80%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is a left" functions primarily as an incomplete directional indicator. As Ludwig AI points out, it lacks the necessary context to be grammatically correct and understandable. Without additional information, the function remains ambiguous.
Frequent in
News & Media
33%
Science
33%
Wiki
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "this is a left" is generally considered grammatically incorrect and lacks clear meaning without additional context. As Ludwig AI reports, its use is infrequent, and it requires clarification to effectively convey direction or location. Better alternatives include "this is a left turn" or "turn left here". While found in some sources like news articles, scientific papers, and wikis, its ambiguous nature makes it less suitable for formal communication. Always aim for clarity and specificity when providing directions or describing locations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
this is a left turn
Adds the specific noun "turn" to clarify the direction being indicated.
this is a left-hand turn
Specifies that the turn is performed with the left hand, implying a manual action or driver perspective.
this is on the left
Indicates the location of something being on the left side.
this is to the left
Similar to 'on the left' but provides a more directional emphasis.
this is a leftward movement
Replaces 'left' with 'leftward' emphasizes the movement towards the left.
this requires a leftward adjustment
Suggests a necessity to move or adjust something towards the left.
this is the left side
Identifies a specific side or part as the left one.
this is the left direction
Replaces "left" with "direction" to clarify the directional aspect.
this is a turn to the left
Emphasizes the act of turning towards the left.
this is where you go left
Indicates a specific point where one needs to turn to the left.
FAQs
What does "this is a left" mean?
The phrase "this is a left" is generally grammatically incorrect or unclear. It needs additional context, such as "this is a left turn", to make sense.
How can I use "this is a left" in a sentence correctly?
To use it correctly, clarify what "left" refers to. For example, "At the intersection, this is a left turn you need to take."
What can I say instead of "this is a left" to give directions?
Instead of "this is a left", you can say "turn left here", "this is the left turn", or "go left at this point".
Is "this is a left" grammatically correct?
Generally, no. The phrase "this is a left" is incomplete. You should specify what 'left' refers to, making it "this is a left turn" or using a similar phrase.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
2.5/5
Expert rating
Real-world application tested