简明英汉词典

 now and then
adv.
偶尔

美国传统词典[双解]

 now
now
AHD:[nou]
D.J.[nau]
K.K.[na&]
adv.（副词）

(1)

 At the present time:
现在：
goods now on sale; the now aging dictator.
现售货物；现在正在衰老下去的独裁者

(2)

 At once; immediately:
立刻；立即：
Stop now.
立即停止

(3)

 In the immediate past; very recently:
刚刚；最近：
left the room just now.
刚离开房间

(4)

 At this point in the series of events; then:
在一系列事件的一点；那时：
The ship was now listing to port.
船当时正向港口开进

(5)

 Nowadays.
如今

(6)

 In these circumstances; as things are:
在这些情况中；正如事情是：
Now we won't be able to stay.
这种情况下我们不能留下了

(7)

 Used to introduce a command, reproof, or request:
用来引出命令、谴责或要求：
Now pay attention.
现在注意了

(8)

 Used to indicate a change of subject or to preface a remark:
用来表示主语的变化或作为标记：
Now, let's get down to work.
现在，让我们埋头工作吧!
conj.（连接词）
Seeing that; since:
因为；既然：
Now that spring is here, we can expect milder weather.
现在春天来了，我们可以期望较温和的天气
n.（名词）
The present time or moment:
此刻，现时：
wouldn't work up to now.
到现在都不肯工作
adj.（形容词）

(1)

 Of the present time; current:
现在的；时下的：
our now governor.
我们现金的州长

(2)

 Slang Currently fashionable; trendy:
【俚语】 现今时髦的；倾向的：
the now sound of this new rock band.
这支新摇滚乐队的流行乐曲

习惯用语

 now and again或

now and then
Occasionally.
偶尔地

语源

(1)

 Middle English
中古英语

(2)

 from Old English n?} * see nu-
源自 古英语 n?} *参见 nu-

继承用法

 now“ness
n.（名词）

现代英汉综合大辞典

 then
[Ten]
adv.

(1)

 [指过去]当时; [指将来]到那时

(2)

 然后, 于是, 接着

(3)

 [常用于句首或句尾]那么, 而且, 另外, 再者

(4)

 [与now, sometimes等连用](一会儿...)一会儿
I was still unmarried then.
当时我还没有结婚。
We had a week in Shanghai and then went to Beijing.
我们在上海住了一个星期然后前往北京。
T-let's go.
那么, 咱们走吧!
T-don't forget to bring me the book you promised.
另外,别忘了把你答应借给我的书带来。
Now the weather is fine, then nasty.
天气一会儿好, 一会儿坏。

词性变化

 then
[Ten]
conj.
[前面常用and]此外
And then, you must remember...
此外, 你必须记住...

then
[Ten]
adj.
当时的
the then president
当时的总统

then
[Ten]
n.
[作介词的宾语]那时

习惯用语

 before then
那时以前

but then
但是, 但是另一方面

by then
到那时候

from then on
从那时起

now then
(抗议; 警告, 唤起注意时)可是; 喂!

now and then
间或; 时时; 不时地

since then
那时以来

till then
一直到那时, 到那时为止

well, then
既然如此

what then
下步怎么办; 那便会怎么样呢?

then and not till then
那时候才开始

thenand there(=there andthen)
当时, 当场

美国传统词典

 now
now
AHD:[nou]
D.J.[nau]
K.K.[na&]
adv.

(1)

 At the present time:
goods now on sale; the now aging dictator.

(2)

 At once; immediately:
Stop now.

(3)

 In the immediate past; very recently:
left the room just now.

(4)

 At this point in the series of events; then:
The ship was now listing to port.

(5)

 Nowadays.

(6)

 In these circumstances; as things are:
Now we won't be able to stay.

(7)

 Used to introduce a command, reproof, or request:
Now pay attention.

(8)

 Used to indicate a change of subject or to preface a remark:
Now, let's get down to work.
conj.
Seeing that; since:
Now that spring is here, we can expect milder weather.
n.
The present time or moment:
wouldn't work up to now.
adj.

(1)

 Of the present time; current:
our now governor.

(2)

 Slang Currently fashionable; trendy:
the now sound of this new rock band.

习惯用语

 now and againor

now and then
Occasionally.

语源

(1)

 Middle English

(2)

 from Old English n?} * see nu-

继承用法

 now“ness
n.

英汉航海大词典

 now and then
adv.时常,不时地

英汉环境大词典

 now and then
n.时时,不时

英汉化学大词典

 now and then
adv.时时,不时

英汉经贸大词典

 now and then
n.时时,不时

英汉计算机大词典

 now and then
adv.时时(不时)

英汉能源大词典

 now and then
n.时时,不时