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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
that complicates matters
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that complicates matters" is correct and usable in written English.
You can use it when discussing a situation or issue that becomes more difficult or complex due to a specific factor or event. Example: "The unexpected delay in delivery is a significant issue that complicates matters for our project timeline."
✓ Grammatically correct
News & Media
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
6 human-written examples
That complicates matters for the many richer clubs who admire him, Bayern Munich among them reportedly.
News & Media
That complicates matters and distracts attention from what we need to do, which is collaborative.
News & Media
That complicates matters: you need to be ready for a full-fledged campaign on the operational level and have the diplomatic backing lined up as well.
News & Media
And if it does go to court, there is one more factor that complicates matters in Cuban's favor.
News & Media
Customer service is much needed in payments because there's movement of money back and forth that complicates matters and raises questions from buyers and sellers, because you limit accounts, fight fraud and losses, and more.
News & Media
If they become incompetent with no record of their wishes then decision making falls to relatives, and that complicates matters greatly because surrogates do not carry the same weight of authority.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
One caveat: Get the optional navigation system and you'll find a field of buttons that complicate matters, but unless you really need that kind of system, we'd recommend the more spare setup of the stock switch and dial pattern.
News & Media
Ms. Parsonnet, a psychotherapist, said that the online back channel strips away some of the parts of face-to-face communication that complicate matters: "They don't see your face turning red," she said.
News & Media
Sometimes that approach complicates matters.
News & Media
That really complicates matters".
News & Media
A possible reason, diplomats said, was that the Iraqi leader was reluctant to say anything that might complicate matters for the countries that have so far protected Iraq from any harsh new United Nations resolutions on weapons inspections: France and Russia.
News & Media
Expert writing Tips
Best practice
Use "that complicates matters" when you want to succinctly express that a new element is making a situation more difficult to resolve or understand.
Common error
Avoid using "that complicates matters" in very simple situations where a more straightforward phrase would suffice. It's best suited for scenarios with multiple interacting elements.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that complicates matters" functions as a clause that introduces a new, complicating element into a previously discussed situation. Ludwig provides examples where it's used to indicate increased difficulty or complexity. This is often used to highlight a challenge or obstacle.
Frequent in
News & Media
50%
Science
21%
Encyclopedias
8%
Less common in
Formal & Business
8%
Social Media
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "that complicates matters" is a grammatically correct and widely used expression that indicates a situation has become more difficult or complex due to a specific factor. Ludwig AI confirms its validity and utility. While its register is generally neutral, it's best suited for scenarios where a clear explanation of increased difficulty is needed. While it appears mostly in the news and media, it can be used in science, and everyday conversation. Consider alternative phrases, such as "that makes things more difficult" or "that adds complexity to the situation", depending on the desired level of formality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that is a complicating factor
Directly identifies the element as complicating.
that makes things more difficult
Focuses on the increased difficulty.
that adds complexity to the situation
Highlights the addition of layers to the issue.
that poses a challenge
Emphasizes the problematic nature of the issue.
that presents an obstacle
Frames the situation as something blocking progress.
that throws a wrench in the works
Uses an idiomatic expression to convey disruption.
that further muddies the waters
Implies confusion and lack of clarity.
that compounds the issue
Indicates the layering effect on the problem.
that exacerbates the problem
Highlights the worsening of an existing issue.
that introduces a new variable
Focuses on adding another factor.
FAQs
How can I rephrase "that complicates matters" to sound more formal?
In formal contexts, consider using phrases like "that presents a challenge", "that introduces a complicating factor", or "that adds complexity to the situation". These alternatives maintain a professional tone while conveying the same meaning.
What's a more casual way to say "that complicates matters"?
For more casual conversations, you might use phrases such as "that makes things harder", "that throws a wrench in the works", or "that makes it trickier".
Is "that complicates matters" always grammatically correct?
Yes, "that complicates matters" is grammatically correct and widely accepted in standard English. Ludwig AI confirms its validity and usability.
When should I avoid using the phrase "that complicates matters"?
While grammatically correct, avoid using "that complicates matters" in situations where the complication is minor or easily understood. Simpler language may be more effective. Also, ensure it aligns with the tone; less formal options may suit casual contexts better, such as "that makes things harder".
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested