known

/nəʊn/ (bre, ipa) · /nəʊn/ (ame, ipa) · /ˈnōn/ (ame, mw)

known — 形容詞

  • knownpositive
  • knownercomparative
  • knownestsuperlative

1. Recognized or understood by many people because it has been seen, heard about, o

1.形容詞A2
釋義

已知的

已被認識或了解的

Recognized or understood by many people because it has been seen, heard about, or experienced before.

例句

Tariro is a known expert in designing houses that use very little energy.

Tariro 是一位以設計節能住宅而聞名的專家。

known + [role noun] — describing a person's recognized position

There are no known cases of this illness in Hoa's village.

Hoa 的村莊沒有已知的這種疾病病例。

no known + [noun] — negated collocation for absence of record

同義詞
  • familiar

    emphasises personal recognition rather than public awareness; 'a familiar face' feels more personal than 'a known face'

  • recognized

    slightly more formal, often implies official or expert acknowledgement

  • acknowledged

    stronger — implies acceptance of something as true or valid, not just awareness

反義詞
  • unknown

    direct opposite; not recognized or understood by people

  • unfamiliar

    focuses on lack of personal experience rather than public knowledge

文法句型

known for + [characteristic]

known to + [group of people]

well-known + [noun]

常見錯誤

This is a known fact for scientists.
This fact is known to scientists.
💡Use 'known to' (not 'known for') when specifying the group of people who recognize something.
The actor is known as playing comedic roles.
The actor is known for playing comedic roles.
💡Use 'known for' (not 'known as') when giving a characteristic or activity.

2. Describes a person or thing that has a particular name or title which people use

2.形容詞B1
釋義

稱為;名叫

以特定名稱被稱呼

Describes a person or thing that has a particular name or title which people use to refer to them.

例句

Dr. Ishaan Mehta, known as 'the heart doctor' by his patients, works at a hospital in Mumbai.

Ishaan Mehta 醫生被病人稱為「心臟醫生」,在孟買的一家醫院工作。

known as + [nickname/title]

This long-legged bird, known as a secretary bird, hunts snakes on the African plains.

這種長腳的鳥被稱為秘書鳥,在非洲草原上捕蛇為食。

同義詞
  • called

    more direct and informal; 'a plant called aloe vera' is everyday speech

  • named

    used for specific given names; slightly more formal than 'called'

  • referred to as

    more formal; common in academic or official writing

文法句型

known as + [name/title]

also known as + [alternative name]

better known as + [more familiar name]

用法筆記

Distinguish from sense 1: 'known for' (sense 1) gives a reason or characteristic, while 'known as' (sense 2) gives a name, title, or label. For example, a doctor is known as 'Dr. Chen' (her name) but known for her careful surgery (her quality). These two patterns are not interchangeable.

常見錯誤

She is known for the school nurse.
She is known as the school nurse.
💡Use 'known as' for a role or title, not 'known for.'
This plant is known as its healing properties.
This plant is known for its healing properties.
💡Use 'known for' for a characteristic; use 'known as' only for a name.

3. No longer kept secret or private; having been told to other people so that it is

3.形容詞B2
釋義

公開的

原本隱瞞而後被透露的

No longer kept secret or private; having been told to other people so that it is now public information.

例句

The full details of the agreement became known after the press conference.

這項協議的完整細節在記者會後被公開了。

became known — passive verb pattern for disclosure

The full story of the missing sculpture became known after Indra found the original receipt.

Indra 找到原始收據後,那座失蹤雕塑的完整故事才為人所知。

became known — passive verb pattern for disclosure

同義詞
  • disclosed

    more formal; often used in legal or official contexts

  • revealed

    stronger — implies something was hidden or secret before

  • publicized

    emphasises that information was actively spread to many people

反義詞
  • secret

    not disclosed or revealed to others

  • hidden

    kept out of sight or deliberately concealed

文法句型

become known

make + [noun] + known

用法筆記

Frequently used with the verbs 'become' or 'make' to show the process of information being disclosed.

常見錯誤

He known his decision yesterday.
He made his decision known yesterday.
💡'Known' as an adjective cannot stand alone as the main verb; it needs 'make', 'become', or another linking verb.
The secret was known by the press last week.
The secret became known to the press last week.
💡Use 'became known to' (not 'was known by') to show the moment of revelation.