1·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。
2·This latest evidence casts serious doubt on his version of events.
最新的证据使人们十分怀疑他对事件的说法。
—— 《牛津词典》
3·As for the effectiveness of markets, this has surely not been called into serious doubt.
至于市场的有效性，当然还没有遭受严重质疑。
4·However, there is now accumulating evidence that casts serious doubt on the existence of the phenomenon.
然而，越来越多的证据对此现象的存在提出了深深的怀疑。
5·There is no doubt Gates' work is saving lives, but there are serious doubts about its long-term effectiveness.
毫无疑问，盖茨基金帮助了很多人，但它是否具有长久的生命力还是未知数。
6·A industry insider said: "Daniel's commitment to this project really makes his return as James Bond a serious doubt."
一位业内人士评论说：“此次丹尼尔出演美剧的决定，意味着他继续出演詹姆斯·邦德一角的可能性有所动摇。”
7·This is a kind of loneliness which Serious doubt the truth of life but insubordination, it likes foreordination and makes people can't resist.
这是一种对生活真相产生的严重怀疑但却不愿屈服的孤独，如同宿命一般让人无法抗拒。
8·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。
9·Britain’s Financial Reporting Council has suggested a fourth alternative, that would express “serious doubt” about the ability of the company to continue as a going concern.
英国财务报告委员会提出了第四种处理方式，对公司持续经营可行性提出认真的疑惑。
10·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。