Merriam-Webster's Collegiate Dictionary
oc·cur
\\ə-ˈkər\\ intransitive verb
(oc·curred ; oc·cur·ring \\-ˈkər-iŋ, -ˈkə-riŋ\\) ETYMOLOGY Latin occurrere, from ob- in the way + currere to run — more at ob-
, car
DATE 1534
1. to be found or met with : appear
2. to come into existence : happen
3. to come to mind
an idea that has occurred to me occur
1520s, "meet, meet in argument," from M.Fr. occurrer, from L. occurrere "run to meet, run against, befall, present itself," from ob "against, toward" + currere "to run" (see current). Sense development is from "meet" to "present itself" to "appear" to "happen" ("present itself in the course of events"). Meaning "to come into one's mind" is from 1620s. Related: Occurred.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
☞ occur
occur / E5kE:(r) / verb (-rr-)
1. [V] (formal) to happen
发生；出现:
When exactly did the incident occur?
这一事件究竟是什么时候发生的？
Something unexpected occurred.
发生了一件出乎意料的事。
2. [V +adv. / prep.] to exist or be found somewhere
存在于；出现在:
Sugar occurs naturally in fruit.
水果天然含糖分。
PHRASAL VERBS
▪ oc'cur to sb (of an idea or a thought 观念或想法)
to come into your mind
被想到；出现在头脑中:
The idea occurred to him in a dream.
这个主意是他在梦中想到的。
▪ [+ that ]
It didn't occur to him that his wife was having an affair.
他没有想到自己的妻子有婚外情。
▪ [+ to inf ]
It didn't occur to her to ask for help.
她没想到请别人帮忙。
Oxford Collocations Dictionary for Students of English
Oxford Collocations dictionary for students of Englishoccur
verb
ADV. commonly, frequently | infrequently, rarely | sporadically | naturally These chemical changes occur quite naturally. | spontaneously Opportunities for learning occur spontaneously every day.
VERB + OCCUR be likely to, tend to | be unlikely to
occur verb
⇨ exist (minerals that occur in rocks)
⇨ happen (an incident occurs)
Webster's Third New International Dictionary, Unabridged
oc·cur
\
R əˈkər, +V -kər.; -
R əˈkə̄, +
suffixal vowel əˈkər.
also əˈkə̄r, +
vowel in a word following without pause əˈkər.
or əˈkə̄
also əˈkə̄r\
intransitive verb
(
occurred ;
occurred ;
occurring ;
occurs)
Etymology: Latin
occurrere, from
ob- + currere to run — more at
current
1. : to be present or met with
: exist
< this bird occurs in the Middle Atlantic states throughout the year — F.C.Lincoln >2. : to present itself
: come to pass
: take place
: happen
< successful marriages do not occur, but are created — Katharine F. Gerould >3. : to come to mind
: suggest itself
< something occurred to him which he had never thought of before — Louis Bromfield >4. : to fall on the same day as another festival — used especially of Christian festivals; compare
concur