But he doubts that Shahzad, an American whose father was a senior officer in Pakistan's airforce, would have received training from top militants.

VOA: standard.2010.05.18

Dante He mentions Virgil and Dante, and it seems like the desperation of bringing up such grand figures makes me think that he does have doubts.

他提到了Virgil和，提到的那些伟大的人物时他的绝望,让我觉得他也心存疑惑。

耶鲁公开课 - 1945年后的美国小说课程节选

They may swallow their doubts because they have a sense that it will improve the market for their shares.

对这些疑虑他们只有忍受,因为他们很清楚,公司上市会增加他们的市场份额

耶鲁公开课 - 金融市场课程节选

Kortunov says he doubts the government's campaign will have a real effect on the problem.

VOA: standard.2009.10.15

Now, if we have any doubts that On the Road is mythic in itself, I just want to show you quickly two things. In 2007, On the Road had its fiftieth anniversary of publication.

现在如果还有对这本小说虚构性有所疑问，我想要迅速地让向你们展示两件事情，2007年是《在路上》出版的十五周年。

耶鲁公开课 - 1945年后的美国小说课程节选

Those who have managed to get hold of tickets have no doubts it will be an unforgettable match, like this Spanish fan who has high hopes his team will win.

VOA: standard.2009.05.26

They have had to counter doubts over their ability to host the event since the announcement was made that South Africa had been selected to host the first ever football World Cup on African soil.

VOA: standard.2010.01.22

Blatter's doubts about Nigeria's hosting capacities have been made explicit in recent months, based over a year of debate and threats of moving the tournament, during which the country did just enough to avoid the embarrassment of being replaced as host.

VOA: standard.2009.10.22

Analysts say that Republicans have had some success in raising doubts about the Obama health care initiative by focusing on the impact of the plan on the growing federal budget deficit and by raising the specter of too much government interference in the health care sector.

VOA: standard.2009.09.02