Rose was doubtful about the whole idea.
罗斯对整个设想持怀疑态度。
牛津词典
He was doubtful about accepting extra work.
他拿不定主意是否接受额外工作。
牛津词典
It's doubtful if this painting is a Picasso.
这未必就是毕加索的画。
牛津词典
With her injuries it's doubtful that she'll ever walk again.
她多处受伤，今后能否行走还很难说。
牛津词典
It's doubtful whether the car will last another year.
这辆汽车未必还能用上一年。
牛津词典
He is injured and is doubtful for the game tomorrow (= unlikely to play) .
他受了伤，明天未必能参赛。
牛津词典
At the beginning of the war things were looking very doubtful.
战争刚开始时，形势看上去很不明朗。
牛津词典
This wine is of doubtful quality.
这酒的质量有问题。
牛津词典
Why did he sound so doubtful?
为什么他听上去如此不确定？
...selling something that is overpriced or of doubtful quality...
售卖漫天要价或质量低劣的东西
They also seemed of very doubtful value.
它们好像也没有多大价值。
Forsyth is doubtful for tonight's game with a badly bruised leg.
福赛斯腿部严重擦伤，不大可能参加今晚的比赛。
I was still very doubtful about the chances for success...
我对能否成功仍然深表怀疑。
It is doubtful whether Tweed, even with his fluent French, passed for one of the locals...
尽管特威德能说一口流利的法语，他是否能被当作当地人还很难说。
For a time it seemed doubtful that he would move at all...
有一段时间他似乎根本不会搬家。
I am very doubtful of that.
我很疑心那件事.
《简明英汉词典》
It is doubtful whether he can read my fortune or not.
他能否算出我的运气还是个疑问.
期刊摘选
Provisions for doubtful debts increased to eight million pounds.
疑账准备金增加到八百万英镑.
国际金融英语口语
He felt very doubtful of the outcome.
关于结果他感到非常疑惑.
期刊摘选
I am doubtful whether it is true.
我怀疑那是否真实.
期刊摘选
It is doubtful if dehydrated fruit will make much headway.
脱水水果是否有多大进步尚难予料.
辞典例句
It is doubtful that he will come.
他会不会来值得怀疑.
期刊摘选
As soon as he finished, his supporters applauded vigorously, but most of the masses were taken aback and exchanged doubtful glances.
他的话完了, 他的几个支持者拼命地鼓掌, 而更多的人却噤若寒蝉,面面相觑.
《现代汉英综合大词典》
Let's try to clear up our difficult and doubtful points.
让我们设法把难处和疑点解决一下.
《简明英汉词典》
The day is doubtful.
胜负难料.
《现代英汉综合大词典》
I'm doubtful where to go.
该往哪里去我心中无底.
《简明英汉词典》
The speaker was clearly playing to the gallery when he uttered so many doubtful jokes.
演说者讲了这么多似是而非的笑话,显然是迎合低级趣味.
《现代汉英综合大词典》
They are doubtful about its necessity.
出自-2012年12月阅读原文Americans are less doubtful when it comes to politics: 73% expect to see a female president in their lifetime.
2019年6月四级真题（第二套）阅读 Section CSomewhat doubtful.
出自-2016年6月阅读原文It's doubtful that a computer program can do that—at least, not without some undesirable results.
2017年12月六级真题（第二套）阅读 Section CYet like many college teachers around the U.S., the faculty remain doubtful that their work as educators can be measured by a "learning outcome" such as a graduate's ability to investigate and reason.
2017年6月六级真题（第一套）阅读 Section AOne reason is that, according to findings of a new survey of office workers conducted by wakefield research for the it company citrix, most bosses are doubtful about remote working.
2016年高考英语浙江卷（10月） 阅读理解 阅读C 原文And whether the community's work contributes much to an overall accumulation of knowledge is doubtful.
出自-2013年考研阅读原文"the candidate's doubtful past"
"he has a dubious record indeed"
"what one found uncertain the other found dubious or downright false"
"it was more than dubitable whether the friend was as influential as she thought"- Karen Horney
"they were doubtful that the cord would hold"
"it was doubtful whether she would be admitted"
"dubious about agreeing to go"
"drew a few tentative conclusions"
这些形容词均含"怀疑的，不确定的"之意。
