英语宝典 » once

once 

  • 基本释义
  • 词形变化
  • 详细释义
  • 双解释义
  • 英英释义
  • 短语词组
  • 常见例句

once

[wʌns]

adv.一次, 曾经
conj.一旦
n.一次
adj.曾经的

例句与用法:

Be pleasant to each other just this once.

彼此要和睦些--就只为这一次吧。

The film is at once humorous and moving.

这部电影既幽默又动人。

Amanda is home from college once again.

阿曼达又从学校回到家中。

All at once she lost her temper.

她突然发起脾气来。

Once we lived in London.

我们曾经住在伦敦。

Once is enough, never again.

一次就够了,别再干了。

Once you begin, you must continue.

一旦开始,你就得继续。

He stopped playing the piano at once.

他立刻停止了弹钢琴。

ad.

1. 一次, 一回

I see them once every two months.

我每两个月与他们见一次面。

2. 昔日, 曾经

He once knew her, but they are no longer friends.

他以前认识她, 但他们已经不是朋友了。

n.

一次, 一回

Once is enough.

一次就够了。

conj.

一旦, 一经……便

Once you get into a bad habit, you'll find it hard to get out of it.

一旦染上坏习惯, 想改掉就难了。


短语词组:

once and for all

1. 永远地; 一次了结地

John's back home once and for all.

约翰回到家, 再也不走了。

once in a while

1. 有时

He went to see them once in a while.

他有时去探望他们。

once more/again

1. 再一次

John's back home once more.

约翰又回家了。

once or twice

1. 几次

I've been there once or twice.

我到过那里几次。

once too often

1. 又一次

He exceeded the speed limit once too often.

他又超速行驶了。

all at once

1. 突然

He left all at once.

他突然离开了。

at once

1. 马上; 立刻

Do it at once!

马上就做!

for once

1. 仅此一次

For once he was telling the truth.

他就这一次说了真话。


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