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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
the hardest thing
Grammar usage guide and real-world examplesUSAGE SUMMARY
"the hardest thing" is correct and usable in written English.
You can use it to describe a situation or something that is difficult to do. For example, "Studying for the final exam was the hardest thing I've ever had to do."
✓ Grammatically correct
News & Media
Academia
Formal & Business
Alternative expressions(18)
the biggest challenge
the toughest part
the greatest struggle
the primary difficulty
the main obstacle
the greatest thing
the finest thing
the biggest thing
the strongest thing
the poorest thing
the largest thing
the highest thing
the shortest thing
the toughest thing
the worst thing
the best thing
the most thing
the least thing
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
That's the hardest thing.
Academia
That was the hardest thing".
News & Media
Recruiting is the hardest thing.
News & Media
"We did the hardest thing.
News & Media
The hardest thing about campaigning?
News & Media
What was the hardest thing?
News & Media
That's sometimes the hardest thing".
News & Media
And the hardest thing?
News & Media
What's the hardest thing?
News & Media
The hardest thing about writing a book?
News & Media
"The hardest thing is saying bye.
News & Media
Expert writing Tips
Best practice
When using "the hardest thing", ensure the context clearly defines what the difficulty pertains to. Providing specific details enhances clarity and impact.
Common error
Avoid using "the hardest thing" without providing context. Readers need to understand what specific challenge you're referring to; otherwise, the statement lacks meaning and impact.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the hardest thing" functions as a noun phrase, often serving as the subject complement or object of a sentence. It identifies and emphasizes the element considered to be the most challenging within a specific context. Ludwig confirms this is grammatically correct.
Frequent in
News & Media
40%
Formal & Business
30%
Academia
20%
Less common in
Wiki
5%
Science
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "the hardest thing" is a grammatically sound and widely used expression to denote the most significant challenge within a given context. As Ludwig AI confirms, it's suitable for various registers, maintaining a neutral tone but applicable also in professional writing depending on the surrounding text. You can replace "the hardest thing" with alternatives such as "the most difficult aspect" or "the biggest challenge" to add variety to your writing. Remember to provide clear context when using this phrase to avoid ambiguity. Ludwig's examples showcase its usage across diverse sources, including news media, formal business documents, and academic texts. Use "the hardest thing" to clearly and directly address the most difficult thing you have to face.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
the most difficult aspect
Focuses on a specific element or facet being challenging.
the biggest challenge
Highlights the magnitude of the difficulty.
the toughest part
Emphasizes the resilience required to overcome the obstacle.
the greatest struggle
Presents the situation as a prolonged and intense effort.
the trickiest aspect
Suggests a need for careful handling or clever solutions.
the most demanding element
Stresses the high level of effort and resources required.
the steepest hurdle
Uses a metaphorical image of an obstacle that is high and hard to jump.
the primary difficulty
Highlights the main source of trouble or hardship.
the major impediment
Focuses on what prevents or delays progress.
the main obstacle
Focuses on what blocks a path.
FAQs
How can I use "the hardest thing" in a sentence?
You can use "the hardest thing" to express what is most challenging in a given situation. For example, "For me, "the hardest thing" about learning a new language is mastering the grammar".
What are some alternatives to saying "the hardest thing"?
Alternatives include phrases like "the biggest challenge", "the most difficult aspect", or "the toughest part", depending on the specific nuance you want to convey.
Is it grammatically correct to use "the hardest thing"?
Yes, it is grammatically correct. It is a common and accepted way to refer to the most challenging element within a particular context, as confirmed by Ludwig AI.
What is the difference between "the hardest thing" and "a hard thing"?
"The hardest thing" refers to the single most difficult aspect or challenge, while "a hard thing" simply indicates something that is difficult but not necessarily the most difficult.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested