before

[bi'fɔ:; bi'fəur]

  • 正在加载“before”的释义
例句用法 短语词组 近反义词 海词讲解 英英解释

1.

B comes before C in the alphabet.

B在字母表里排在C之前。

2.

It will be a long time before we finish this dictionary.

我们需要很长的时间才能把这部词典编译完。

3.

He made a statement before the House of Commons.

他在下议院当众发表了一个声明。

4.

He will die before he submits.

他宁死不屈。

5.

He always put the interests of others before his own.

他总把他人的利益放在第一位。

6.

I have seen that film before.

那部电影我以前看过。

【近义词】

【反义词】

  • behind prep.在...之后,... after adv.以后,后来;co...

【词义辨析】

ago before
ago: 指从现在起往前推算一段时间,始终置于所修饰的词之后,与一般过去时连用。
before: 或指从过去某一时间起向前推算的若干时间的以前,通常与过去完成时连用;或泛指以前,并不具体指若干时间以前,可使用现在完成的或过去时;还可指从将来某一时间起的若干时间以前。
before in front of in the front of
before: 指空间位置或时间的“在……前”。表时间时,反义词为after;指空间位置时,其反义词是behind。
in front of: 指在某地方之外的前面,即不在其中,多与静态动词连用,通常可与before通用。
in the front of: 指在某地方之内的前面,即在其中的前部分。

【词语用法】

  1. Before同ago的比较:
    表示“早于现在多少时间前”,用ago。
    • He started five minutes ago.
    表示“早于过去某时多少时间前”,通常用before
    • He told me he had seen her a few minutes before.
      英美人也有用ago,觉得语气比较生动。
    表示“早于将来某时多少时间前”,也用before
    • When you call at the shop again this afternoon, you may be told that the book has been sold only a few minutes before.
    表示“早于任何某时(不是现在、过去或将来的某时)多少时间前”,仍用before
    • He often forgets what he has heard only a few minutes before.
    表示“从现在说到以前,不特指若干时间”时,用before
    • We (have) met them many times before.
    在倒数回以前,表示“一些事情已发生了多久”时,可用before
    • When I went back to the town that I had left eight years before, everything was different.
  2. before与不同介词搭配时,句子意思有差异。
    • All day, as three days before, we planted trees.
      同三天前一样,我们一整天都在种树。
    • All day, as for three days before, we planted trees.
      同以前的三天一样,我们一整天都在种树。
  3. before既可作副词,也可作介词,如在three hours before中为副词。在before three o'clock中为介词,但要注意before不能在表示“一段时间”的词前作介词,不能说before a month,可说a month ago;
  4. before long,属于习语,表示“不久以后”,同before a long time has passed意思一样。before very long也指“不久以后”,但比before long时间短;
  5. 要注意before的表达方式,不能说before five minutes of the accident,而是five minutes before the accident。其他表达方式如下:
    • A few minutes before the accident she called on me.
      (不含the/for)
    • During the few minutes before the accident she had a chat with me.
      (含the)
    • For a few minutes before the accident she had a chat with me.
      (含for)
  6. before作连接词,指“……以前”时,后接到从句中的动词一般不能用将来时。如不可以说He will arrive before she will start,可以说He will arrive before she starts。
    若是表示“长久以后才会发生的事”时,可用将来时。
    • It will not be long before they come back.
      他们很快就回来了。
  • 错句举例与错句分析

    错句:It is better to check the oil before to start the car.

    纠正:It is better to check the oil before starting the car.

    翻译:在发动车子前最好检查下汽油。

    分析:before做介词时,后动词用动名词形式。

副词 before:

1.

earlier in time; previously

同义词:earlier

2.

at or in the front

同义词:ahead,in front

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before:before adv. 在前, 以前prep. 在...之前conj. 在...之前, 与其...宁可习惯用语as before 如前所述....详情>>
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