before

CET-4 Oxf 3000 初中 FREQ #157 ★★★★★

prep. 在...之前 conj. 在...之前 adv. 在前

发音

UK /bɪˈfɔː/
US /bɪˈfoɹ/
US /biˈfoɹ/
US /bəˈfoɹ/
AU /bɪˈfoː/
NZ /bəˈfoː/
/bɪˈfo(ː)ɹ/
/bɪˈfoə/

词形变化

befores 复数 befores

别名

befo befo' b4 be4 befoir befor befure

教材释义与例句

副词

以前；在前

at an earlier time

连词

在…以前；在…之前

earlier than a particular event or action

介词

在…之前，先于

earlier than something or someone

释义与例句

n.
  1. 1.

    Of before-and-after images: the one that shows the difference before a specified treatment.

  2. 2.

    That which occurred or existed previously.

    诗歌
  3. 3.

    A previous form or instance.

    罕用
adv. A2 Oxf 3000
  1. 1.

    At an earlier time.

    以前

    I've never done this before.

    This achievement far exceeded anything that had come before.

  2. 2.

    In advance in position or sequence; ahead.

    文学 诗歌

    We walked behind while they went before.

  3. 3.

    At the front end.

conj. A2 Oxf 3000
  1. 1.

    In advance of the time when.

    Near-synonym: no later than

    Brush your teeth before you go to bed.

  2. 2.

    Rather or sooner than.

    非正式

    I'll die before I('ll) tell you anything about it.

prep. A1 Oxf 3000
  1. 1.

    Earlier than (in time).

    ...以前

    ...之前

    I want this done before Monday.

  2. 2.

    In front of in space.

    ...以前

    ...之前

    He stood before me.

    We sat before the fire to warm ourselves.

  3. 3.

    In the presence of.

    He performed before the troops in North Africa.

    He spoke before a joint session of Congress.

  4. 4.

    Under consideration, judgment, authority of (someone).

    The case laid before the panel aroused nothing but ridicule.

  5. 5.

    In store for, in the future of (someone).

    Your whole life is before you.

  6. 6.

    In front of, according to a formal system of ordering items.

    ...以前

    ...之前

    In alphabetical order, "cat" comes before "dog", "canine" before feline".

  7. 7.

    At a higher or greater position than, in a ranking.

    An entrepreneur puts market share and profit before quality, and amateur intrinsic qualities before economical considerations.

词汇关系

副词

同义词 2

ahead earlier

相关短语

before one knows it 转眼之间；瞬息之间 working class 工人阶级 before dark adv. 黄昏以前 before the mast 在桅杆前,当水手 before you can say Jack Robinson 说时迟,那时快;转瞬间,很快 before long 不久以后 before someone's time before you can say knife 突然 before it was cool before one knows where one is 还没明白是怎么回事就…,突然,马上 before times before the fact [法] 作案前, 事前作案 before one's eyes before and after before and afters

词源

Etymology tree Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁epsder. Proto-Indo-European *h₁epider. Proto-Indo-European *h₁pi Proto-Germanic *bider. Proto-Germanic *bi- Proto-West Germanic *bi- Old English be- Old English foran Old English beforan Middle English bifore English before Inherited from Middle English before /bifore, from Old English beforan, from be- + foran (“before”), from fore, from Proto-Germanic *furai, from Proto-Indo-European *per- (“front”). Cognate with Saterland Frisian befoar (“before”), German Low German bevör (“before”), German bevor (“before”).

来源：wiktionary