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
he trained under
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "he trained under" is correct and usable in written English.
It is typically used to refer to a person who has been taught or instructed by someone more experienced. For example: "He trained under a Michelin-starred chef, learning valuable culinary techniques."
✓ Grammatically correct
News & Media
Academia
Wiki
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
22 human-written examples
He trained under several noted musicians, including musicologist S.N.
Encyclopedias
He trained under his father, as did his brothers.
News & Media
At UCSD, he trained under Mark Tuszynski, M.D., Ph.D., in the field of spinal cord injury repair.
Academia
Before the age of 20 he moved to Venice, where he trained under Titian, and then later to Rome.
News & Media
Educated at Westminster Choir College in Princeton and at Juilliard, he trained under Alberto Erede at the Metropolitan Opera.
News & Media
In the 1950s as Iraq developed its oil industry, al-Ani was hired by the British-run Iraqi Petroleum Company, where he trained under an English photographer.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
There, he trains under Yuka Sato, a former world champion from Japan, and her husband, Jason Dungjen.
News & Media
In his search for revenge he trains under Ildarin (Freeman) to become a world-class chariot racer.
News & Media
He played his first-round match Wednesday on the surface that he prefers, with similar conditions — hot, humid, punishing — that he trains under in Miami.
News & Media
He trains under Australian coach Denis Cotterell twice a year.
News & Media
He trains under Richie "The Avalanche" Anderson, who was an eight-time world-champion bike racer.
News & Media
Expert writing Tips
Best practice
When using "he trained under", ensure the context clearly establishes the mentor's expertise or authority in the relevant field.
Common error
Avoid substituting "under" with other prepositions like "by" or "with" as it changes the intended meaning. "He trained with" suggests collaboration, while "he trained under" emphasizes a student-mentor relationship.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "he trained under" functions as a predicate in a sentence, indicating that the subject (he) received instruction or mentorship from someone. Ludwig AI examples show its use across various contexts.
Frequent in
News & Media
50%
Wiki
25%
Academia
15%
Less common in
Encyclopedias
5%
Science
5%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "he trained under" is a grammatically sound and widely understood way to describe a mentorship or instructional relationship. Ludwig AI confirms its correctness and usability in written English. While not exceedingly common, the phrase is frequently encountered in news, academic, and biographical contexts. To ensure clarity, use "he trained under" when you specifically want to highlight the influence of a mentor or instructor on someone's development and be careful not to replace it with alternatives that changes the meaning, such as "he trained by".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
he was mentored by
Directly indicates a mentorship relationship, emphasizing guidance and support.
he was instructed by
Highlights the teaching aspect of the relationship, focusing on the transmission of knowledge.
he was guided by
Emphasizes direction and support received from someone more experienced.
he studied with
Focuses on the act of learning and studying alongside someone, implying mentorship.
he received instruction from
Formal way to say he was taught or instructed by someone.
he apprenticed with
Implies a hands-on learning experience, where skills are acquired through practical work under supervision.
he was tutored by
Emphasizes individual instruction and guidance, often in a specific subject or skill.
he was coached by
Suggests a more directive and focused approach to training, often in a specific skill or area.
he was a student of
Highlights the role of the learner in the relationship.
he learned from
A general phrase indicating that knowledge or skills were acquired from someone.
FAQs
How can I use "he trained under" in a sentence?
Use "he trained under" to indicate that someone received instruction or mentorship from a more experienced person. For example, "The chef "he trained under" was a Michelin-starred chef".
What's a good alternative to "he trained under"?
Alternatives include "he studied with", "he was mentored by", or "he was instructed by". The best choice depends on the specific context and the nature of the relationship.
Is it correct to say "he trained by" instead of "he trained under"?
No, "he trained by" is not the same as "he trained under". "He trained by" usually means he trained himself by some method. To properly convey mentorship, use ""he trained under"" followed by the mentor's name.
What does it mean when someone says "he trained under" someone?
It means that the person received formal instruction, guidance, or mentorship from the individual named. The phrase emphasizes the influence and expertise of the mentor in shaping the skills and knowledge of the trainee.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested