concept

concept — noun

1. a general idea that pulls together different facts, details, or experiences into

1.名詞B2
釋義

a general idea that pulls together different facts, details, or experiences into a single way of understanding something

例句

Our marketing team came up with a new **concept** for promoting the product online.

concept + for + noun phrase (purpose)

Ravindra found the **concept** of gravity hard to explain to his younger sister.

同義詞
  • idea

    more general and everyday; 'concept' is more structured and abstract

  • notion

    vaguer or more casual than 'concept', often based on incomplete understanding

  • theory

    a more formal, evidence-based system of ideas meant to explain something

反義詞
  • fact

    a concept is a mental framework; a fact is a verifiable piece of information

文法句型

concept + of + noun phrase

concept + that-clause

常見錯誤

I have a concept to go to the beach.
I have an idea to go to the beach.
💡'concept' is for broader, more abstract frameworks, not casual plans.
Do you understand the concept? It is that water boils at 100 degrees.
Do you understand the concept? The idea is that water boils at 100 degrees.
💡Avoid using 'concept' and then restating it as if the concept is the sentence itself.

2. to be completely unable to understand or imagine something because you have neve

2.名詞B2
釋義

to be completely unable to understand or imagine something because you have never experienced it or thought about it

例句

Heather had no **concept** of how expensive raising a child is until she had her own.

have no concept of + how-clause

City-dwellers often have no **concept** of how quiet the countryside is at night.

have no concept of + how + adjective

同義詞
  • clueless about

    informal; stronger and more colloquial than 'have no concept of'

  • unaware of

    less emphatic; simply means not knowing, not necessarily unable to imagine

反義詞
  • aware of

    the opposite — knowing or understanding that something exists or is happening

文法句型

have no concept of + noun phrase

用法筆記

Almost always appears in the negative construction 'have no concept of'. The affirmative form ('have a concept of') is rare and unnatural in this sense — use 'understand' instead.

常見錯誤

I have no concept about his feelings.
I have no concept of his feelings.
💡Always use 'of', not 'about', after 'concept' in this construction.
She has no concept how hard the exam is.
She has no concept of how hard the exam is.
💡'of' is required before the question-word clause.

concept — adjective