occur

IPA/əˈkɜː(r)/
KK[əkˈɚ]IPA/əˈkɜːr/

occur — 動詞

  • occurpresent simple I / you / we / they
  • occurshe / she / it
  • occurredpast simple
  • occurring-ing form

1. if an event takes place — usually one that was not planned or expected, such as

1.動詞不及物B2
釋義

發生

(事件、意外或自然現象)出現、發生

if an event takes place — usually one that was not planned or expected, such as an accident, a problem, or a natural process — we say that it occurs.

例句

The car crash occurred just after midnight on the highway near Taoyuan.

車禍發生在午夜剛過、桃園附近的高速公路上。

occur + time and place adverbials

Earthquakes occur frequently along the eastern coast of Taiwan.

台灣東部沿岸經常發生地震。

subject is a natural event; adverb of frequency

常見搭配
  • occur naturally
  • occur frequently
  • occur unexpectedly
  • an accident occurs
  • a problem occurs
同義詞
  • happen

    everyday register; works for both planned and unplanned events

  • take place

    neutral; preferred for scheduled or organised events

  • arise

    formal; used for problems, questions, or opportunities that come into being

文法句型

occur (no object)

occur + adverbial of time/place

用法筆記

More formal than 'happen'; common in news reports, scientific writing, and police or medical statements. Subject is usually an event, not a person — you cannot say 'I occurred to win'.

常見錯誤

I occurred a problem with my laptop.
A problem occurred with my laptop.
'occur' is intransitive, so the event is the subject, not the object.
The party will occur on Saturday.
The party will take place on Saturday.
'occur' sounds odd for planned social events; use it for unplanned or natural happenings.

2. to be present in a particular place, group, or set of things — for example, a ch

2.動詞不及物C1
釋義

存在;出現

在某地方、群體或範圍中存在、被找到

to be present in a particular place, group, or set of things — for example, a chemical occurring in seawater, or a word occurring in old poems.

例句

Iron occurs naturally in many vegetables, especially in spinach and beans.

鐵自然存在於許多蔬菜中,尤其是菠菜和豆類。

occur + naturally + in [place]; scientific use

The word 'thou' rarely occurs in modern Taiwanese English textbooks.

thou 這個字在現代台灣的英文課本中很少出現。

occur + adverb of frequency + in [collection]

常見搭配
  • occur naturally
  • occur in nature
  • occur in [a place]
  • occur among [a group]
  • rarely occur
同義詞
  • be found

    everyday alternative for the same meaning

  • appear

    useful for things that show up in texts, lists, or images

  • exist

    broader; does not require a specific place

反義詞
  • be absent

    for the meaning of not being present in a place or group

文法句型

occur in + place/group

occur among + group

用法筆記

Distinguish from sense 1: this sense always needs a place, group, or collection (often introduced by 'in', 'among', or 'throughout'); the subject is something that exists rather than an event that takes place.

常見錯誤

These birds occur.
These birds occur in coastal wetlands.
this sense needs an adverbial of place or group; without one, the sentence sounds incomplete.
Vitamin C is occurred in oranges.
Vitamin C occurs in oranges.
'occur' is never used in the passive.
片語動詞

occur to (someone)

phrasal verb

if an idea, possibility, or memory occurs to you, it suddenly comes into your mind, often without you trying to think of it.

(某想法)突然浮現在某人腦海中;想到

It suddenly occurred to Mei-ling that she had left her keys at the café.

Did it never occur to you that your brother might be telling the truth?

occur to

phrasal verb

When an idea or thought comes into your mind suddenly.

想到,浮現腦中

It never occurred to Maya that she could ask for help.

Did it occur to you that Brian might be telling the truth?

同根字

常見搭配

常用片語

  • occur naturally
  • occur to someone
  • rarely occur
  • frequently occur
  • occur in nature