bottleneck

/ˈbɒtlnek/ (bre, ipa) · [bˈɑtəlnˌɛk] /ˈbɑːtlnek/ (ame, ipa) · [bˈɑtəlnˌɛk] /ˈbä-tᵊl-ˌnek/ (ame, mw)

bottleneck — noun

  • bottlenecksingular
  • bottlenecksplural

1. a section of road that is too narrow or too busy, making vehicles slow down or c

1.名詞B2
釋義

a section of road that is too narrow or too busy, making vehicles slow down or come to a halt

例句

The old bridge is the worst bottleneck on the entire motorway.

collocation: worst bottleneck

Salma left home an hour early to avoid the morning bottleneck near the factory.

collocation: avoid the bottleneck

同義詞
  • congestion point

    more formal; often used in traffic planning reports

  • chokepoint

    emphasises the physical narrowness rather than the resulting delay

常見錯誤

There was a bottleneck on the motorway for ten miles.
There was a bottleneck at the tunnel entrance that caused a ten-mile jam.
💡a bottleneck is the narrow point that triggers the jam, not the jam itself.

2. something that blocks or slows the flow of work, information, or activity so tha

2.名詞B2
釋義

something that blocks or slows the flow of work, information, or activity so that everything takes longer than it should

例句

The small legal team has been a bottleneck for every new project this year.

Mauricio identified the approval process as the main bottleneck slowing the team down.

pattern: identify [X] as the bottleneck

同義詞
  • obstacle

    broader term; any kind of barrier, not necessarily a process delay

  • hold-up

    more informal; focuses on the delay itself rather than the structural cause

  • logjam

    suggests a pile-up of waiting items, especially in bureaucracy

反義詞
  • facilitator

    something that makes progress easier rather than blocking it

用法筆記

Often used about bureaucratic systems, company workflows, or any situation where tasks move through stages and get stuck at one point.

bottleneck — verb