The survival of the common European Union currency, free movement across national borders and trans-Atlantic collective security are all in serious doubt.
通用欧盟货币和跨国自由流动政策的存亡，以及跨大西洋的集体安全值得严重怀疑。
Experiments have also cast serious doubt on the belief that yawning is triggered by a drop in blood oxygen or a rise in blood carbon dioxide.
对于打哈欠是由血液中的氧气减少或血液中的二氧化碳增加引起的这种观点，一些实验也同样提出了严重的质疑。
There was no doubt in his mind that the man was serious.
毫不怀疑在他的脑海里这个人是认真的。
Mr Prikhodko summarises Russia's dilemma: "we know this is a very serious window of opportunity and nobody should be in any doubt that we want to use it," he says.
普里霍季科总结说俄罗斯面临两难的境地：“我们知道此次峰会是一个非常难得的机遇之窗，无人应去质疑我们想要抓住机遇。”
It is without doubt that the cartoon aims at addressing a serious problem prevailing in today's society, that is, the lack honesty in the field of business.
毫无疑问这幅漫画意在指出当今社会一个普遍且严重的社会问题，即商界缺乏诚信原则。
From the very first bleak words of the report - "the situation in Iraq is grave and deteriorating" -the world was left in no doubt that this is a deadly serious exercise.
从这份报告的头一句话冰冷的话语——伊拉克现在的形势是日益恶化，千疮百孔——就可以看出全球都认为伊拉克战争局势严重，前途未卜。
No one should be in any doubt that the consequences are serious for those who carry knives.
任何人都不应该怀疑对于携带刀具的更加严厉。
There is no doubt that environment is one of the most serious problems in the world.
毫无疑问，环境是当今世界上最严重的问题之一。
In classical literature research, there exists serious marginalized anxiety, doubt on value and confusion about subjects.
古典文学研究领域存在着严重的边缘化焦虑、价值怀疑、学科困惑，其核心乃是现实关怀的缺失。
Of the top 19 Banks in the nation, the top five (5) largest Banks are under capitalized so dangerously, there is serious doubt about their ability to continue as ongoing businesses.
最高19家银行在全国前五位(5)最大的银行正在利用这样危险，存在着严重的怀疑，他们有能力继续担任目前的业务。
And in that I'm giving Dan Smith the serious benefit of the doubt because his tackle was by far the worst, well late and I think a bit nasty.
这个认定给了史密斯最大的好处，因为他的犯规时最恶性的，后来想起来真的觉得很恶毒。
There is no doubt that nearsightedness is a serious problem among the youth in our country.
例毫无疑问，近视在我国的年青人中是一个严重的问题。
There is no doubt that air pollution is a serious problem in the world.
毫无疑问，空气污染是全世界的一个严重问题。
Nor does anybody in the Ronaldo camp doubt that his third comeback from serious injury will have a happy ending.
也没有任何人在营罗纳尔多毫无疑问，他的第三次复出的严重伤害将有一个快乐的结局。
There is no doubt that nearsightedness is a serious problem among the youth in our country.
【例】毫无疑问，近视在我国的年青人中是一个严重的问题。
There is no doubt that nearsightedness is a serious problem among the youth in our country.
【例】毫无疑问，近视在我国的年青人中是一个严重的问题。
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