concepts

IPA/ˈkɒn.sept/
KK[kˈɑnsɛpts]IPA/ˈkɑːn.sept/

concepts — noun

  • conceptssingular
  • conceptsesplural

1. a general thought or mental picture of something that exists in the mind rather

1.名詞B2
釋義

a general thought or mental picture of something that exists in the mind rather than as a physical object

例句

The children found the concept of infinity very difficult to understand.

concept of [abstract idea]

Dr. Anwar explained the core concepts of physics using everyday objects.

core concepts of [subject]

同義詞
  • idea

    more general and less formal; can be a sudden thought or suggestion

  • notion

    often a vague or partly-formed idea, sometimes used with a hint of skepticism

  • theory

    a more developed and systematic explanation meant to explain facts or events

用法筆記

Often followed by 'of' when specifying the topic: concept of [something]. Frequently modified by adjectives such as 'basic', 'key', 'central', or 'abstract'.

常見錯誤

❌I have a concept about your problem' (for 'idea/suggestion').
✅I have a concept of how the system works.
💡'Concept' means a general mental model, not a casual suggestion.

2. a complete lack of awareness or knowledge about something, appearing mainly in t

2.名詞B2
釋義

a complete lack of awareness or knowledge about something, appearing mainly in the fixed phrase 'have no concept of'

例句

Luis has no concept of how cold Canadian winters can actually be.

have no concept of [something]

Many people have no concept of what nurses deal with during a night shift.

文法句型

have no concept of (something)

用法筆記

This sense is almost always used with negative structures — typically 'have/has/had no concept of'. It does not appear in affirmative sentences like 'I have a concept of that'. The affirmative form belongs to sense 1.