knowledge
/ˈnɒlɪdʒ/ (bre, ipa) · /ˈnɑːlɪdʒ/ (ame, ipa) · /ˈnä-lij/ (ame, mw)
knowledge — noun
1. the facts, ideas, and practical skills that someone gets by learning, studying,
the facts, ideas, and practical skills that someone gets by learning, studying, or doing something
Quan gained a broad knowledge of Chinese history through years of reading.
gain + knowledge of [topic]
A basic knowledge of computers is needed for most office jobs today.
adjective + knowledge: basic knowledge
The biology teacher was impressed by Lara's deep knowledge of local plant species.
Felix put his technical knowledge to good use when he repaired the office server.
- understanding
focuses on grasping how facts connect, not just knowing them
- expertise
specialized, deep knowledge in a particular field
- learning
knowledge gained through formal study, often scholarly
- wisdom
knowledge used with good judgment and experience over time
- ignorance
lack of knowledge or information about a subject
文法句型
uncountable noun
often followed by of + noun phrase
can take a/an when preceded by an adjective (a deep knowledge)
用法筆記
Knowledge is an uncountable noun. Do not use 'many knowledges' or 'a knowledge' on its own. However, it can take the indefinite article when an adjective precedes: 'a working knowledge of Spanish', 'a deep knowledge of art'. Use 'much knowledge', 'little knowledge', or 'a great deal of knowledge'.
常見錯誤
2. being aware that a particular fact, event, or situation is true or has taken pla
being aware that a particular fact, event, or situation is true or has taken place
It was common knowledge at Oakwood College that Professor Lai won an award, though David learned this from colleagues.
common knowledge + that-clause
Hyun had no knowledge of the budget cuts until his manager told him.
have + no + knowledge + of
The decision to close the library was made without the residents' knowledge.
Allison signed the contract in the full knowledge that the deadline was strict.
- awareness
slightly more formal; emphasizes consciousness of a fact
- familiarity
suggests personal experience or close acquaintance with something
- cognizance
very formal; used mainly in legal or official writing
- unawareness
lack of knowledge that something exists or has happened
文法句型
uncountable noun
knowledge + that-clause
have + no/little + knowledge + of
without + possessor + knowledge
用法筆記
This sense focuses on being aware that something exists or has occurred, rather than having detailed understanding. Frequently used in legal and formal contexts: 'with full knowledge of the risks', 'without my knowledge'. The phrase 'to someone's knowledge' and 'to the best of someone's knowledge' also belong to this sense.