underpin

IPA/ˌʌndəˈpɪn/
KK[ˈʌndɚpˌɪn]IPA/ˌʌndərˈpɪn/

underpin — 動詞

  • underpinpresent simple I / you / we / they
  • underpinshe / she / it
  • underpinnedpast simple
  • underpinning-ing form

1. to provide the foundation or support that makes an idea, theory, or system stron

1.動詞及物B2
釋義

支撐;鞏固

為論點、系統等提供基礎

to provide the foundation or support that makes an idea, theory, or system strong and stable.

例句

Stefan's research data underpins the main argument of his thesis.

Stefan 的研究數據支撐了他論文的中心論點。

data + underpins + abstract noun (argument)

Several key principles underpin the design of the new city park.

幾項關鍵原則奠定了新城市公園的設計基礎。

underpins + noun phrase (the design of...)

同義詞
  • support

    more general; can be emotional, physical, or abstract; 'underpin' always implies a foundational role

  • substantiate

    formal; specifically means to provide evidence for a claim; narrower than 'underpin'

  • bolster

    suggests strengthening something that already exists; 'underpin' implies providing the base underneath

  • reinforce

    makes an existing structure stronger; 'underpin' adds a new foundation from below

反義詞
  • undermine

    the opposite effect — to weaken from below rather than strengthen

文法句型

underpin + noun phrase

用法筆記

Common in academic and formal writing. The subject is usually an abstract noun (theory, trust, principle, evidence, data) and the object is another abstract concept (argument, system, relationship, policy).

常見錯誤

The new law underpins the building.' (using sense 1 for physical objects).
Steel beams underpin the building.
💡For physical support use sense 2.

2. to strengthen a wall or building by adding support from underneath.

2.動詞及物C1
釋義

加固基礎

從下方加固建築物牆壁等

to strengthen a wall or building by adding support from underneath.

例句

Engineers had to underpin the old church wall before digging the basement.

工程師必須加固老教堂的牆壁,才能挖掘地下室。

underpin + physical object (wall)

Workers underpinned the bridge foundations with steel and concrete.

工人用鋼材和混凝土加固了橋樑的地基。

passive: be underpinned with [material]

同義詞
  • shore up

    phrasal verb; a common alternative for temporary physical support, especially for walls or weak structures

  • reinforce

    adds strength in general; 'underpin' specifically adds support from beneath

  • brace

    holds a structure in position; less permanent and less specifically about foundation than 'underpin'

反義詞
  • undermine

    to wear away or weaken the base of a structure, opposite of strengthening it from below

文法句型

underpin + physical object (wall, building, foundation)

用法筆記

This is a specialized construction and engineering term. Frequently used in the passive voice. Distinguish from sense 1: here the support is literal and physical, not abstract.

常見錯誤

Parents underpin their children.' (using sense 2 for emotional support).
Parents support their children.
💡For emotional or financial support, use 'support' not 'underpin'.