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

他擦着鞋，乐手则时不时拨弄吉他琴弦。

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

到国外念书学生不时都会体验到文化冲击。

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

首先这些观点都是摇摆不定，总有方时不时占个小优势。

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

我时不时地把喜欢照片存起来。

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

我把这些写在张卡片上，时不时。

We can constantly check our phones at the bus stop.

我们会在车站等车时候不时地查看自己手机。

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

即使是鸟也喜欢独处，而且时不时地会离开自己巢。

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

苹果股价时不时会下跌，这确切证实了他和公司已合为体。

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

他们需要不时迸发创造性来驱动自己。

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

当大家发言时候保罗眉梢不时跳上跳下。

We all get sucked into a state of pessimism from time to time.

我们都会时不时地陷入悲观状态。

My sister and her friends rent it from time to time.

我姐姐和她朋友不时把它租出去。

Later, students speak about the food in their home countries.

随后，学生们谈及本国特色食物。Greenlaw不时纠正他们发音。

The lips frequently parted, with a murmur of words.

她嘴唇不时地翕动，喃喃低语。

But every now and again, there's that one outfit.

不过时不时就会有那么件例外。

And so it has gone at scattered intervals through history.

在整个历史上，不时发生这样事。

To save something for a rainy day means to save money for no specific reason.

以备不时之需指是不为特别原因存钱。

A few bats skimmed his nose now and again and scared him half to death.

些蝙蝠时不时碰到了他鼻子，把他吓得半死。

Now and again he disappeared only to reappear once more.

时不时，他消失了又出现。

The tall building is a landmark where people meet from time to time.

那座高楼是不时有人会面地标。