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
know how difficult
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "know how difficult" is correct and usable in written English.
You can use it when discussing an understanding of the challenges or hardships associated with a particular situation or task. Example: "I know how difficult it can be to balance work and personal life, especially during busy seasons."
✓ Grammatically correct
News & Media
Alternative expressions(4)
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
You know how difficult the Arc is".
News & Media
We know how difficult the Arc is.
News & Media
And I know how difficult it is.
News & Media
'I know how difficult it is.
News & Media
Do you know how difficult walking is?
News & Media
"I know how difficult it is," General Fang said.
News & Media
"I know how difficult it was for my mother".
News & Media
"I don't know how difficult that will be," she said.
News & Media
"I know how difficult their lives are," she said.
News & Media
"I know how difficult this must be for them.
News & Media
Yes, I know how difficult this can be.
News & Media
Expert writing Tips
Best practice
Use "know how difficult" to show empathy and understanding towards someone facing a challenge. This can help build rapport and demonstrate that you are aware of the difficulties involved.
Common error
While "know how difficult" is a useful phrase, overuse can make your writing sound repetitive. Vary your language by using synonyms like "understand the complexity" or "appreciate the challenge" to maintain reader engagement.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "know how difficult" functions as a way to express empathy, understanding, or acknowledgement of the challenges inherent in a particular situation. It serves to connect with others by showing awareness of their struggles. As Ludwig AI confirms, this usage is valid and widespread.
Frequent in
News & Media
85%
Formal & Business
8%
Science
7%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "know how difficult" is a versatile expression used to convey empathy and understanding regarding challenging situations. As Ludwig AI indicates, it's grammatically correct and frequently used, especially in news and media contexts. While it's a valuable phrase for building rapport, avoid overuse by incorporating related alternatives such as "understand the complexity" or "appreciate the challenge". By understanding its proper usage and varying your language, you can effectively communicate empathy while maintaining clarity and engagement in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
grasp the degree of difficulty
Emphasizes a full understanding of how challenging something is.
appreciate the challenge
Highlights the demanding aspect of a task, showing respect for the effort required.
understand the complexity
Focuses on the intricate nature of a task, emphasizing its multiple layers.
comprehend the intricacies
Focuses on understanding the subtle and complex details involved.
recognize the obstacles
Emphasizes the barriers and hurdles that need to be overcome.
be aware of the complications
Draws attention to the intricate and potentially problematic aspects.
realize the magnitude
Underscores the significant scale or impact of a situation.
acknowledge the uphill battle
Acknowledges that progress will be hard-won and require significant effort.
perceive the level of effort
Highlights the amount of work and energy required for success.
fathom the extent of hardship
Emphasizes the degree of suffering or adversity involved.
FAQs
How can I use "know how difficult" in a sentence?
You can use "know how difficult" to express your understanding of a challenging situation. For example: "I "know how difficult" it must be to balance work and family."
What phrases are similar to "know how difficult"?
Similar phrases include "understand the complexity", "appreciate the challenge", or "realize the magnitude". The best choice depends on the specific context.
Is it grammatically correct to say "know how difficult"?
Yes, the phrase "know how difficult" is grammatically correct and commonly used in English.
How does "know how difficult" differ from "realize the difficulty"?
"Know how difficult" implies a more personal understanding or empathy, while "realize the difficulty" is a more general acknowledgement of a challenge. For example, "I "know how difficult" this must be for you" shows more empathy than "I "realize the difficulty"."
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested