fourfold

IPA/ˈfɔː.fəʊld/
KK[fˌɔrfˈold]IPA/ˈfɔːr.foʊld/

fourfold — adjective

  • fourfoldpositive
  • more fourfoldcomparative
  • most fourfoldsuperlative

1. multiplied so that it reaches four times an earlier size, amount, rate, or level

1.形容詞C1
釋義

multiplied so that it reaches four times an earlier size, amount, rate, or level

例句

The town's water use rose to a fourfold level during the summer festival.

fourfold + noun for a multiplied amount

After the merger, Caio's team handled a fourfold increase in customer calls.

同義詞

文法句型

a fourfold + noun

be + fourfold

用法筆記

Most often appears before nouns like increase, rise, cost, or difference in reports and formal explanations. After a linking verb, it normally compares one measured amount with an earlier one.

常見錯誤

❌The budget is fourfold than last year.
✅The budget is fourfold compared with last year.' / 'The budget is four times as large as last year.
💡Do not use 'fourfold' directly with 'than'.
❌Sales became fourfold more after the ad.
✅Sales became fourfold after the ad.' / 'Sales became four times higher after the ad.
💡'Fourfold' already contains the idea of multiplication, so 'more' is unnecessary.

2. arranged as four separate sections or made up of four matching elements

2.形容詞C1
釋義

arranged as four separate sections or made up of four matching elements

例句

The leaflet opens into a fourfold map with one panel for each area.

fourfold + noun for an object divided into four sections

The committee proposed a fourfold plan covering housing, jobs, schools, and transport.

同義詞
  • four-part

    more everyday and direct for structures with four sections

  • quadripartite

    much more formal and mostly used in academic or legal writing

  • four-way

    common for splits, choices, or divisions rather than physical objects

文法句型

a fourfold + noun

用法筆記

Usually describes plans, structures, explanations, or objects that can be divided into four clear sections. It is not the normal choice for any plural noun that simply contains four separate items.

常見錯誤

❌The basket has fourfold apples.
✅The basket has four apples.
💡This sense describes a four-part structure, not a simple count of objects.
❌We need a fourfold chairs setup.
✅We need a four-part seating plan.
💡Use 'fourfold' for division or structure, not as a general replacement for 'four'.

fourfold — adverb