knows what he does

USAGE SUMMARY

"knows what he does" is correct and usable in written English.
You can use it to describe a person's level of understanding or awareness of a particular situation or task. For example: "John is a hard-working employee; he always knows what he does."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

18 human-written examples

Nobody knows what he does".

The Guardian - Books

He knows what he does.

The Guardian - Music

The Good Lord knows what he does.

The Guardian - Sport

It helps that nobody knows what he does.

The Guardian - Sport

Obviously, everybody knows what he does on the football field.

The New York Times

And who knows what he does at those two places in New Jersey.

The New York Times - Food

Human-verified similar examples from authoritative sources

Similar Expressions

41 human-written examples

But he is human, who knows what he did".

The New York Times

"Loeun knows what he did was wrong.

The New York Times - Magazine

Nobody really knows what he did".

The New York Times - Sports

"He knows what he did and he knows what he has to do," Valentine said.

The New York Times - Sports

"I'm sure he knows what he did wrong and what he did right," she said.

The New York Times

Expert writing Tips

Best practice

Use this phrase to succinctly convey that a person is competent and aware of the implications of their actions.

Common error

Avoid using "knows what he does" in contexts where it might suggest arrogance or a lack of willingness to learn or adapt. Instead, ensure the context conveys competence and understanding, not stubbornness or close-mindedness.

Linguistic Context

The phrase "knows what he does" functions as a concise way to describe someone's competence, understanding, or self-awareness in their actions or profession. Ludwig confirms its usability in various contexts.

Expression frequency: Uncommon

Frequent in

News & Media

100%

Less common in

Science

0%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "knows what he does" is a grammatically correct and usable phrase to indicate someone's competence and awareness in their actions. While Ludwig examples show that it's not very common but it appears across various reputable sources like The New York Times and The Guardian. To ensure clarity and avoid unintended implications, it's best to use it in contexts that emphasize competence and understanding, not arrogance. Alternatives such as "understands his actions" or "is aware of his capabilities" might be more appropriate depending on the specific message you want to convey.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

understands his actions

Focuses on comprehension of one's own actions, highlighting self-awareness.

is aware of his capabilities

Emphasizes the person's consciousness of their own abilities and skills.

is conscious of his work

Highlights the awareness of one's professional activities and responsibilities.

grasps the nature of his occupation

Focuses on understanding the essence and details of one's job.

is proficient in his craft

Stresses the level of skill and expertise in a particular area.

is skilled at his job

Highlights competence in performing job-related tasks.

is adept in his field

Emphasizes expertise and efficiency in a specific area of work.

is versed in his duties

Stresses thorough knowledge and experience in one's responsibilities.

is knowledgeable about his activities

Highlights broad understanding and information related to one's pursuits.

has command of his role

Emphasizes control and authority in one's designated position.

FAQs

How can I use "knows what he does" in a sentence?

You can use "knows what he does" to describe someone who is competent and aware of their actions, such as, "He is a seasoned professional and always "knows what he does"."

What are some alternatives to "knows what he does"?

Alternatives include phrases like "understands his actions", "is aware of his capabilities", or "is proficient in his craft" depending on the specific context.

Is it better to say "knows what he is doing" or "knows what he does"?

Both phrases are grammatically correct, but "knows what he does" is more general, while "knows what he is doing" implies a current or ongoing action. The best choice depends on the specific context you are trying to convey.

When should I avoid using the phrase "knows what he does"?

Avoid using "knows what he does" in situations where it could imply arrogance or a lack of openness to new ideas. The phrase should convey competence, not stubbornness.