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
must first understand
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must first understand" is correct and usable in written English.
It can be used when emphasizing the necessity of comprehension before proceeding with a task or concept. Example: "Before we can move forward with the project, we must first understand the underlying principles involved."
✓ 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
59 human-written examples
"But I must first understand Mr. Puello".
News & Media
To understand the Nation you must first understand Eric.
News & Media
If we want to overcome the global #obesity epidemic, we must first understand #energybalance.
News & Media
"To understand the world," Faulkner once said, "one must first understand a place like Mississippi".
News & Media
We must first understand the problem we are trying to solve.
News & Media
If we want to prevent them, we must first understand their cause.
News & Media
"To design economic policy that promotes welfare and reduces poverty, we must first understand individual consumption choices," the academy wrote.
News & Media
And to do that, they must first understand what we really want – something we may not always know ourselves.
News & Media
To improve the diagnosis and treatment of SA-AKI, we must first understand its pathogenesis.
Science
"If we are to develop strategies to intervene effectively, we must first understand the cause.
News & Media
To accomplish this, one must first understand how to determine the embedded inflation expectation in TIPS.
News & Media
Expert writing Tips
Best practice
Use "must first understand" to introduce key concepts or principles before diving into complex details. This ensures a logical flow of information and better comprehension.
Common error
Avoid using "must first understand" repeatedly in a single piece of writing. Overuse can make your writing sound monotonous. Use synonyms like "need to comprehend" or "have to grasp" to vary your language.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must first understand" functions as a directive, indicating a necessary prerequisite for comprehension before further action or analysis. It serves to emphasize the importance of establishing a foundational understanding. As Ludwig AI suggests, the expression is correct and usable in English.
Frequent in
Science
38%
News & Media
34%
Formal & Business
14%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "must first understand" is a common and grammatically correct expression used to emphasize the necessity of comprehension before proceeding with a topic or task. As confirmed by Ludwig AI, it serves as a directive highlighting a prerequisite for further action. Predominantly found in scientific and news media contexts, it maintains a neutral to professional tone. Alternatives such as "need to comprehend" or "have to grasp" can be used to vary the language. In essence, using "must first understand" indicates that a foundational knowledge is essential before tackling more complex aspects, but you must avoid overuse it and using synonims instead.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
need to comprehend
Emphasizes the necessity of grasping the concept.
have to grasp
Indicates a requirement to seize or understand something firmly.
should initially comprehend
Suggests an advisability to understand something from the beginning.
ought to initially grasp
Implies a moral obligation to understand something at the start.
it's imperative to comprehend initially
Highlights the essential nature of understanding something at the outset.
it's vital to initially grasp
Emphasizes the crucial need to understand something from the start.
it is essential to first appreciate
Shifts focus to appreciating the importance before understanding.
it is necessary to initially acknowledge
Focuses on acknowledging something before understanding its nuances.
one needs to initially perceive
Emphasizes the act of perceiving as the first step to understanding.
it is crucial to first recognize
Underlines the importance of recognizing something before fully understanding it.
FAQs
What does "must first understand" mean?
The phrase "must first understand" emphasizes the importance of gaining comprehension before proceeding with an action, discussion, or analysis. It sets a prerequisite for further progress, indicating that a basic level of knowledge is necessary.
How to use "must first understand" in a sentence?
You can use "must first understand" to introduce a core concept that needs to be grasped before explaining related details. For example, "To appreciate the complexity of quantum physics, one "must first understand" the wave-particle duality principle".
What can I say instead of "must first understand"?
You can use alternatives like "need to comprehend", "have to grasp", or "should initially comprehend" depending on the specific context and the level of formality required. These options provide a range of ways to express the necessity of initial understanding.
Is "must first understand" formal or informal?
The phrase "must first understand" is generally suitable for both formal and informal contexts, though it leans slightly towards the formal side due to the presence of "must". You can adjust the tone by choosing alternative phrases such as "need to comprehend" for a less assertive tone.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested