But taken together, they can make a difference and they send a signal that we are serious about changing how government operates,"

VOA: standard.2009.04.20

I'm being serious now, goddamit. How can you miss seeing that?

我现在很认真，该死，你们怎么能没看到它呢？

耶鲁公开课 - 1945年后的美国小说课程节选

And this is again an extraordinary example of how the brain can give rise to the mind, and how things that go wrong with the brain can affect you in a serious way.

这又是一个说明大脑如何引起心理的,非常典型的例子,并且说明了大脑的损伤,将会严重影响我们的日常行为

耶鲁公开课 - 心理学导论课程节选

Doctors have been sharply divided on how to treat patients with less serious symptoms of depression.

VOA: standard.2010.01.08

But as he had little serious competition, the bigger question in this election was how many of Algeria's 20-million registered voters would show up.

VOA: standard.2009.04.10

"I think that there will be a refocusing of how the UK can operate within Pakistan and Afghanistan, but also there will be some serious questions about whether or not the UK can maintain this expeditionary role" TV debates, a first in British politics, have thrust the outsider Nick Clegg of the Liberal Democrats into the role of kingmaker in a close election.

VOA: standard.2010.04.30