More witches and wizards in lime-green robes walked in and out of the doors they passed; a foul-smelling yellow gas wafted into the passageway as they passed one door, and every now and then they heard distant wailing.

各个门口有的巫师进进出出，有一扇门里飘出一股黄色的臭气，不听到隐隐的哀号声。

Ron did not answer; he was too busy unwrapping presents, every now and then letting out an exclamation of pleasure.

罗恩没回答，他正忙着拆礼物，不发出开心的大叫。

Students who are studying abroad may experience culture shock at one time or another.

到国外念书的学生不都会体验到文化冲击。

All the while the hermit kingdom has stumbled on, stockpiling uranium, and occasionally testing bombs and lobbing missiles into the Pacific Ocean.

朝鲜这个遁世国度，一直以来跌撞前行，存储铀原料，还不的进行导弹测验，向太平洋发射导弹活动。

As he worked, the mariachi casually plucked at his guitar strings.

他擦着鞋，乐手则不拨弄吉他的琴弦。

At first opinions fluctuated, with one side gaining a slight advantage.

首这些观点都是摇摆不定，总有一方不的占个小优势。

Now and again he disappeared only to reappear once more.

不的，他消失了又出现。

Cave exploration often requires you to push yourself through narrow gaps in the rock.

洞穴探险需要不挤过一些狭窄的岩石缝隙。

Strange sights and sounds occurred at different moments to bewilder the anxious sentinels.

不出现令人奇怪的景象和声音，每每这，焦急的哨兵总会受到迷惑。

But the overall impact highlights the novel's underlying themes: the hypocrisy of many but compassion of some; the way craven people get the callous rulers they deserve, yet now and then rise to a nobility that deserves better.

多数人的伪善和少数人的悲悯；懦弱的民众服从暴君是自食其果，虽然不的那点高尚，似乎值得更好的统治。

Every now and then, I'd saved the pictures I liked.

我不喜欢的照片存起来。

So forget about long nights, with eyelids drooping over pages and pages of text, scientific research has expressed quite clearly that that isn't the way to study smart.

所以说，忘记那些漫漫长夜里看着一页一页的文字，眼皮不打架的日子吧，科学研究已明确证明，这并非明智的学习方法。

I put these on a card, and read them through regularly.

我这些写在一张卡片上，不的读一读。

We can constantly check our phones at the bus stop.

我们会在车站等车的候不查看自己的手机。

So, we have: " then and there" , " sooner or later" , " wait and see" , " now and then" , " from time to time" .

“当场”，“迟早”，“拭目以待”，“不”，“不的”。

Even birds like to spend time alone and will run away from their nest sometimes.

即使是鸟也喜欢独处，而且不会离开自己的巢。

You taught as a political couple, you must show a bit of love from time to time, show the voters you're real and normal people.

作为身处政界的夫妻，会有人告诉他们必须要不表现对彼此的爱意，向选民展示你们也是真实平凡的普通人。

Occasionally, the stock fell, proof positive that he and his company were one.

苹果的股价不的会下跌，这确切证实了他和公司已合为一体。

They rely on bursts of inspiration or productivity to get them started.

他们需要不迸发的创造性来驱动自己。

Paul's eyebrows moved up and down as his teachers spoke.

当大家发言的候保罗的眉梢不跳上跳下。