Every now and then you read in the newspaper about somebody whose parachute failed to open and so they died.

不时地你会在报纸上看到,某人的降落伞没打开导致他们死了。

耶鲁公开课 - 死亡课程节选

It's a mix of kind of permanent exhibitions and some temporary ones which come and go.

这里混合了长期展厅和不时更换的临时展厅。

一眼看历史 - SpeakingMax英语口语达人

I want to talk about efficiency, and we're going to, or at least I'm going to, at times also refer to this as orders of growth, for reasons that you'll see over the next few minutes.

为什么是很有价值的，我想要讨论下效率，我们将会，或者至少我将会不时的，提到有序的增长,原因你们很快就会明白的。

麻省理工公开课 - 计算机科学及编程导论课程节选

From time to time, they wandered to Egypt or Mesopotamia often in search of pasture for their animals. And various details of their language, their customs, their laws, their religion, it's argued, seem to fit well into the period of the Late Bronze Age.

时而不时的，他们常在埃及或美索不达米亚游荡,为他们的牲口寻找牧场，大量关于他们的语言,他们的习俗，他们的律法，他们的宗教的细节，据说，都与融入了后青铜时期的特征。

耶鲁公开课 - 旧约导论课程节选

And the commune, despite the fact that there's lots of-- you could hear in the distance the guns sometimes getting closer and closer, and attempts to break out fail miserably, they pass all sorts of impressive social legislation.

在公社里,尽管有很多...,公社不远处不时能听到枪声,不断逼近,而突围的尝试又屡次惨败,他们还通过了各式法律法规

耶鲁公开课 - 1871年后的法国课程节选

I know this is true, that is, I know I have the reputation, both because I periodically in my student evaluations get told I'm one of Yale's harsher graders, and because every now and then the Yale Daily News will have an article about grade inflation and they'll always ask me, " ... Well Professor Kagan is somebody..."

这是真的，而我之所以有这样的名声,是因为在学生定期评估时,我被告知自己是耶鲁最严厉的人之一，还因为那不时出现的耶鲁日间新闻,有篇文章会谈到关于成绩膨胀的事,人们总会问我“,卡刚教授“

耶鲁公开课 - 死亡课程节选

they're not making direct eye-contact, they're looking at their watch.

他们避免跟你的眼神交流，不时地看看表。

Is there 课堂 - SpeakingMax英语口语达人