At the dinner table, my father would go on and on, showing off, aggrandizing himself.

吃饭时我父亲总是不停地夸耀和吹嘘自己。

《柯林斯英汉双解大词典》

Because it's such a pity if you start off on a bright tone on a story and suddenly realize you are talking about some people having been killed in a road crash.

因为如果你一开始用欢快的语调讲一个故事，然后突然意识到你讲的是一些在车祸中丧生的人，这是很遗憾的。

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Think twice before eating those dropped crumbs off your computer keyboard, according to a new study on the amount of germs on keyboards.

一项有关电脑键盘上细菌数量的最新研究称，以后捡起落在键盘上的食物碎屑往嘴里塞之前可得想好了。

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Bob Doughty and Faith Lapidus tell about some of the winning American athletes on and off the ice and snow.

VOA: special.2010.02.26

We can actually see spatially all the details in the field animated as you turn the current on and off.

我们能看到,所有细节的空间动画分布,就在你打开电流和切断的时候。

麻省理工公开课 - 媒体、教育、市场课程节选

It all sort of depends on how you hit it off with somebody, whether there's a spark.

这要看你是不是跟那个人合得来，能不能擦出火花。

跟校友们的关系 - SpeakingMax英语口语达人

"I have been working on this off and on for close on 50 years, " he told BBC News.

BBC: Liquid air 'offers energy storage hope'

But Labour, who tabled an opposition day debate on the proposed sell off on 2 February, called on the minister to "stop and think again" about pushing ahead with the plans.

BBC: Government urged to rethink forest sell off plan

She set off on foot on a 9-mile trip, wading through New Orleans' flooded streets, dodging bullets and passing dead bodies along the way, to find her son and get him to safety.

CNN: A momma's love