drop-off

IPA/ˈdrɒpˌɒf/
KK[drˈɑpˌɔf]IPA/ˈdrɑːpˌɑːf/

drop-off — 名詞

1. a situation in which the amount, level, or quality of something becomes noticeab

1.名詞B1
釋義

下降；減少

數量、程度或品質的明顯下降

a situation in which the amount, level, or quality of something becomes noticeably smaller or worse than before

例句

The company saw a sharp drop-off in sales after the product recall.

這家公司在產品召回後，銷售額出現了急遽的下降。

collocation: sharp drop-off in [something]

Teachers noticed a drop-off in student attendance during the winter months.

老師們注意到冬季期間學生的出席率有所下降。

常見搭配
  • sharp drop-off
  • steady drop-off
  • dramatic drop-off
  • drop-off in sales
  • drop-off in demand
  • drop-off in quality
同義詞
  • decline

    more general, can apply to gradual or sudden decreases

  • decrease

    neutral term, used for numbers and quantities

  • downturn

    specifically about economic or business conditions

反義詞
  • increase

    general opposite

  • upturn

    specifically for business or economic improvement

文法句型

drop-off + in + noun phrase

用法筆記

Frequently followed by the preposition 'in' to specify what is declining. Singular only — you would not say 'drop-offs' for this sense.

常見錯誤

We saw a drop-off of customers this year.
We saw a drop-off in customers this year.
use 'in' (not 'of') after 'drop-off' when naming what declined.

2. a place on a cliff, mountain, or roadside where the ground falls away very steep

2.名詞B1
釋義

陡坡；斷崖

地面陡降之處，如懸崖或路邊

a place on a cliff, mountain, or roadside where the ground falls away very steeply, creating a sudden change in height

例句

Diego stopped the car just before the drop-off and peered over the edge.

Diego 在陡坡前停了車，探頭往邊緣下方望去。

The hiking trail runs along a dangerous drop-off with no guardrail.

這條健行步道沿著一處危險的斷崖延伸，完全沒有護欄。

collocation: dangerous drop-off

常見搭配
  • steep drop-off
  • dangerous drop-off
  • sheer drop-off
  • drop-off into the valley
同義詞
  • cliff

    a vertical rock face; drop-off is usually part of a cliff or ridge

  • precipice

    very steep, often overhanging rock face; more dramatic

  • bluff

    a wide, steep cliff, often at the coast

用法筆記

Used mainly in geographical descriptions and road-safety contexts. Often preceded by a measurement (a thirty-metre drop-off).

常見錯誤

The drop-off was covered in thick forest.' (vague — this sense is about the steep edge, not a general slope)
The trail ended at a steep drop-off where the cliff fell straight into the sea.
clarify that this is a sudden vertical descent, not a gentle slope.

3. the act of taking a person, package, or item to a particular place and leaving i

3.名詞B1
釋義

運送；送達

尤指開車將人或物品送至某處的行為

the act of taking a person, package, or item to a particular place and leaving it there, especially by car

例句

The driver has three more drop-offs before the end of his shift.

這位司機在下班前還有三趟貨要送。

collocation: have/make a drop-off

Sofia did a quick drop-off of the documents at the office before heading home.

Sofia 開車把文件送到辦公室後就回家了。

常見搭配
  • do a drop-off
  • make a drop-off
  • drop-off service
  • drop-off zone
  • morning drop-off
  • school drop-off
同義詞
  • delivery

    broader — can be by any means; drop-off is often by car and less formal

  • deposit

    more formal, used in banking or legal contexts

反義詞
  • pick-up

    the act of collecting someone or something

文法句型

do/make a drop-off

用法筆記

Commonly paired with 'pick-up' (the reverse action). Often used in logistics, childcare, and school-run contexts. Can be a noun ('do a drop-off') or a modifier ('drop-off zone').

常見錯誤

I did a drop-off to the post office.
I did a drop-off at the post office.
use 'at' for the location, not 'to'.

4. a fixed place, such as a marked area or a container, where people leave packages

4.名詞B2
釋義

收件點；接送區

讓人留下物品或兒童的固定地點

a fixed place, such as a marked area or a container, where people leave packages or children to be collected later

例句

Leave the library books in the drop-off by the main entrance.

把圖書館的書放在正門入口處的還書箱裡。

The airport has a separate drop-off for ride-sharing cars near the terminal.

機場航廈旁設有共乘車輛專用的接送區。

collocation: drop-off for [vehicles/people]

常見搭配
  • drop-off point
  • charity drop-off
  • library drop-off
  • baggage drop-off
  • drop-off area
  • drop-off box
同義詞

用法筆記

Distinguish from sense 3: sense 3 is the action of dropping something off; sense 4 is the physical location where you do it. Usually marked with a sign or designated area.

drop-off — 動詞

同根字

  • drop
    動詞A1
  • drop
    名詞A2
  • drop-off point
    名詞片語B2

常見搭配

名詞搭配

副詞搭配

常用片語

  • drop-off in sales
  • drop-off in demand
  • drop-off in quality

介系詞搭配