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
surprised by how
Grammar usage guide and real-world examplesUSAGE SUMMARY
"surprised by how" is a correct and usable part of a sentence in written English.
You can use it when describing a surprise or shock when confronted by something unexpected. Example sentence: "I was surprised by how quickly the entire project was completed."
✓ Grammatically correct
News & Media
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
She's surprised by how frightening it is.
News & Media
"I'm surprised by how quiet it is.
News & Media
We were still surprised by how quickly it got here".
News & Media
"But people are surprised by how strong he is.
News & Media
Mr. Simon was surprised by how much he missed her.
News & Media
In some cases, I was surprised by how successful.
News & Media
"I was really surprised by how clean it was here.
News & Media
Overall, I was surprised by how daring the report was.
News & Media
I was surprised by how open they were.
News & Media
They are invariably surprised by how dirty she is.
News & Media
Rolph is surprised by how angry he is.
News & Media
Expert writing Tips
Best practice
Use "surprised by how" to express unexpected reactions to a particular quality or characteristic. Ensure that the 'how' clause clearly identifies the specific aspect causing surprise.
Common error
Avoid substituting "surprised at" for "surprised by how" when you want to emphasize the manner or extent of something. "Surprised at" is usually followed by a noun, not a clause.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "surprised by how" functions as an adjectival phrase modifying a subject. It expresses a feeling of unexpectedness regarding the manner, degree, or extent to which something is true or occurs. As demonstrated by Ludwig, this phrase is commonly used to introduce a clause that explains the cause of the surprise.
Frequent in
News & Media
84%
Wiki
6%
Formal & Business
2%
Less common in
Science
2%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "surprised by how" is a grammatically correct and frequently used phrase for expressing unexpected reactions. Predominantly found in news and media, this phrase serves to highlight a speaker's surprise at the manner or extent of something. Ludwig AI affirms its usability, noting its prevalence across various contexts. When using this phrase, ensure clarity and avoid confusion with similar constructions like "surprised at". Alternatives include "astonished at how" or "amazed at how", depending on the specific nuance you wish to convey. The phrase is widely used and understood, making it a reliable choice for expressing surprise in both formal and informal contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
astonished at how
Focuses more on the intensity of the surprise or shock, suggesting a higher degree of amazement.
amazed at how
Implies a sense of wonder or delight in addition to the surprise, suggesting a positive reaction.
taken aback by how
Highlights the unexpectedness and potential disorientation caused by the situation.
caught off guard by how
Emphasizes the lack of preparation or anticipation for the situation, leading to surprise.
shocked at how
Suggests a strong negative surprise, often associated with disbelief or dismay.
startled by how
Implies a sudden and brief moment of surprise, often due to a sudden or unexpected event.
impressed by how
Highlights a positive surprise, where something exceeds expectations and evokes admiration.
flabbergasted by how
Indicates extreme surprise and bewilderment, often leaving one speechless or unable to react.
dumbfounded by how
Suggests a state of being temporarily unable to speak or think clearly due to surprise.
incredulous at how
Expresses disbelief or skepticism in addition to the surprise, suggesting something seems too improbable.
FAQs
How can I use "surprised by how" in a sentence?
Use "surprised by how" to express that something has an unexpected quality or extent. For example, "I was "surprised by how" easy it was to assemble the furniture".
What are some alternatives to "surprised by how"?
Depending on the context, you can use phrases like "astonished at how", "amazed at how", or "taken aback by how" to convey a similar meaning.
Is it correct to say "surprised at how" instead of "surprised by how"?
While "surprised at" is grammatically correct, it is typically followed by a noun or noun phrase. "Surprised by how" is used to introduce a clause explaining the reason for the surprise.
What's the difference between "surprised by" and "surprised by how"?
"Surprised by" generally refers to a reaction to something, while "surprised by how" specifies the manner or degree to which something is surprising. For example, "I was surprised by the gift" vs. "I was "surprised by how" thoughtful the gift was".
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested