doubtful
读音：['dautfəl]
adj.可疑的, 怀疑的, 不确定的
例句与用法：
The ethics of his decision are doubtful.
他的这一决定是否合乎道德规范值得怀疑。
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。
I am doubtful about the propriety of granting such a request.
我怀疑答应这项要求是否合适。
A doubtful claim; doubtful prospects.
令人怀疑的索赔案; 令人可疑的前景
Because of a long drought, the farmers are doubtful about the prospect of a good yield.
因为长时间的干旱，农民们对于好收成的前景是怀疑的。
词形变化：
副词: doubtfully | 名词: doubt-fulness |
a.
1. 怀疑的, 疑惑的[F][(+about/of)][+wh-]
I'm doubtful whether she's still alive.
我怀疑她是否还健在。
2. 可疑的, 令人生疑的
a doubtful remedy
疗效可疑的疗法
3. 含糊的, 不明确的; 难以预测的
The future looks very doubtful.
前途看来难以预测。
4. (名声等)不好的
doubtful
词形变化：
副词: doubtfully | 名词: doubt-fulness |
词义辨析：
同义:
a.怀疑的
uncertain irresolute vacillating indecisive distrustful suspicious incredulous disbelieving unsure questioning skeptical waveringa.疑虑的
questionable debatable disputable dubious problematic precarious incredible unbelievable unclear同义参见:
alleged cynical controversial fishy conjectural improbable ambiguous反义参见:
confident clear sure evident precise certain doubtfuldoubtfulD.J.:[ˈdautful]K.K.:[ˈdaʊtfəl]adj.1.翻译：难以预测的, 未定的This is a doubtful battle.这是一场胜负难测的战争。I'm doubtful where to go.该往哪里去我心中无底。I feel doubtful what I ought to do.我不知该做什么。
2.翻译：怀疑的, 可疑的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。I feel very doubtful about this.我对这点很怀疑。I am very doubtful of that.我很疑心那件事。It is doubtful whether it is true or not.这件事的真假是可疑的。
doubtful['dautful]adj.
1.翻译：不大可能的，未必的
2.翻译：可(怀)疑的，令人生疑的，使人产生疑问的
3.翻译：怀疑的，疑惑的，拿不准的，不确定的，无把握的(about， of)
4.翻译：(观点、信念、意见等方面)不定的，未定的，未(解)决的；(结果如何)难以预测的，难料的
5.翻译：含糊(不清)的，暧昧的，模棱两可的，不明确的
6.翻译：(名声、品德、价值、诚实性、有效性等)有问题的，不太好的，坏的，不可靠的，可疑的
7.翻译：犹豫不决的，迟疑的，有疑虑的，有保留的
8.翻译：[古语]令人忧虑的；危险的近义词dubiousquestionableproblematical反义词certainsure
1.翻译：怀疑的, 不太相信的(of, about)
2.翻译：可疑的; 未必好的
3.翻译：含糊的; 不确定的
4.翻译：难以预料的, 未定局的be [feel] doubtful of [about] the data怀疑那些数据a doubtful character可疑的人物magazine of doubtful taste内容不太好的[低级趣味的]杂志a doubtful reply含糊的回答继承用法doubtfullyadv.doubtfulnessn. doubtful
adjective
feeling uncertain about something
拿不准的，不能肯定的，疑惑的，怀疑的
he looked doubtful, but gave a nod.
他看上去有点怀疑，但还是点了一下头。
I was doubtful of my judgement.
我对自己的判断拿不准。
not known with certainty
不明的，未确知的
the fire was of doubtful origin.
火源尚不明。
翻译：improbable
不大可能的，未必会（发生）的，未必确实的
[with clause]it is doubtful whether these schemes have any lasting effect.
这些计划未必会产生持续的效果。
翻译：not established as genuine or acceptable
未定的，未决的
of doubtful legality.
合法性未定。派生
doubtfully
adverb
doubtfulness
noun
doubtful
形容词 doubtful:
open to doubt or suspicion- Karen Horney
同义词：dubious, dubitable, in question
fraught with uncertainty or doubt
同义词：dubious
unsettled in mind or opinion
同义词：tentative
doubtful
1. There is (no) room for doubt.
(没)有怀疑的余地。
2. Of a doubtful or uncertain nature.
不确定的性质上有疑问或不确定的
3. The question of world hunger is a very hard nut to crack. I doubt if we'll find the answer to it in my lifetime.
世界性的饥饿问题是个极其难以解决的问题，我恐怕人们在我这一辈子都找不出解决的办法。
4. Jonathan always goes by the book: I doubt if he will let you do what you want.
乔纳森总是循规蹈矩：我怀疑他是否让你干你想干的事情。
5. To be suspicious, apprehensive, or doubtful.
产生忧虑、担心或怀疑
6. No doubt he'll be all right.
他一定会好的。
7. They are doubtful whether he can afford it.
他们怀疑他是否能负担得起。
8. They doubt if a man can be changed into a demigod.
他们怀疑是否可将人变成次神。
9. It is doubtful that they will finish on time.
他们是否将如期完成是值得怀疑的。
10. Their acceptance of the contract is still in doubt.
他们是否接受那合同还说不准。
11. It is doubtful that he will come.
他会不会来值得怀疑。
12. He had a spasm of doubtful pride.
他体验了一阵不塌实的自豪感。
13. He was troubled by religious doubt.
他因对宗教的疑惧而十分烦恼。
14. There is no doubt about his innocence.
他完全是无辜的。
15. He was doubtful of the outcome.
他对于结果没有信心。
16. The fact that he won the first place is doubtful.
他得了第一名是让人可疑的。
17. He had a spasm of doubtful pride .
他心里充满了骄傲;他骄傲自大。
18. He was doubtful of the patient's recovery.
他担心这病人不易痊愈
19. He was doubtful about accepting extra work.
他拿不定主意是否接受额外工作。
20. He trotted out a most plausible story, but most of us were inclined to doubt the truth of it.
他提出了一个听起来很有道理的说法，但我们大多数人对此都持怀疑态度。
21. He told me the whole story in spades and there's no doubt about it.
他明确地把整个经过都对我讲了，一点不含糊。
22. He is an author of doubtful reputation.
他是一位名声不太好的作家。
23. Whether he will come is doubtful .
他是否能来值得怀疑。
24. There's some doubt about his suitability for the job.
他是否适合该工作有些疑问。
25. He insinuated his doubt of her ability.
他暗示了他对她能力的怀疑。
26. His father, too, seemed doubtful in his view.
他父亲的看法好象也模棱两可。
27. He looked at me with a doubtful eye.
他用怀疑的眼光看着我。
28. His mind hovered for a moment round the doubtful date on the page.
他的思想在本子上的那个可疑日期上犹豫了一会儿。
29. In his eye there was a doubtful light.
他的眼睛闪烁着一种怀疑的光芒。
30. His offence is so serious that I doubt whether he can be pardoned for it.
他的过错十分严重。我怀疑他是否会得到原谅。
31. The ethics of his decision are doubtful.
他的这一决定是否合乎道德规范值得怀疑。
32. No doubt he means to help, but in fact he just gets in the way.
他确实是想帮忙，然而事实上却只是帮倒忙。
33. He is without doubt the cleverest student I've ever taught.
他确实是我所教过的学生中最聪明的。
34. The story he gave police is very doubtful.
他给警方的描述是很有问题。
35. It is doubtful whether he will recover.
他能不能康复现在还难说。
36. It is doubtful whether he will be able to come.
他能否来还很难说。
37. 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。
38. It's doubtful whether he can pass the examination.
他能否通过这次考试是令人怀疑的。
39. A doubtful claim; doubtful prospects.
令人怀疑的索赔案; 令人可疑的前景
40. But it is doubtful if he had any principles at all.
但是此人究竟有无原则，实在令人怀疑。
41. Another doubt arose in his mind, however, as this one disappeared.
但是这个疑虑消失了，另一个怀疑又浮上他的脑际。
42. No doubt you've received the outturn samples of the inferior quality goods.
你们一定收到了质量低劣产品的到货抽样。
43. Do you doubt my word (ie think I am not telling the truth) ?
你怀疑我的话吗?
44. Johnson won't like your taking his best workman away. He'll be cursing me up hill and down dale, I've no doubt.
你把约翰逊最好的工人挖走，他会不高兴的。我想他准会骂死我的。
45. Yr. 16 information cannot make sure but very doubtful.
你方16日来电消息不术可靠，且值得怀疑。
46. The vacancy of the boy's expression made his father doubt if he was listening.
儿子毫无表情使父亲怀疑他是否在专心听。
47. He felt very doubtful of the outcome.
关于结果他感到非常疑惑。
48. Then again, I doubt whether he will come.
再说,我怀疑他是否会来。
49. The future looks very doubtful.
前途看来难以预测。
50. Even if the pay raise and Tower's and Wright's difficulties hadn't taken center stage, it's doubtful Congress would have accomplished much.
即使加薪之事，以及托尔和赖特所遭遇的困难未成为主要问题，国会也未必能有所作为。
51. Only Peter seemed a little doubtful.
只有彼得似乎有点儿怀疑。
52. But at best it was a doubtful business.
可事情总不免有点儿玄。
53. Open to doubt or challenge; problematic.
可疑的易于受到怀疑或挑战的; 有疑问的
54. A person of doubtful reputation or respectability.
名声不好的人名声或地位令人怀疑的人
55. I do not doubt that it would be possible to inject ideas into the modern world that would utterly destroy us.
向现代世界灌输能彻底摧毁我们的意识形态是可能的，对此我并不怀疑。
56. Have a lot of doubt, he can not help asking them question.
因为他有些疑问，他禁不住向他们提问。
57. Because of a long drought, the farmers are doubtful about the prospect of a good yield.
因为长时间的干旱，农民们对于好收成的前景是怀疑的。
58. It is doubtful if we can get home before midnight.
在半夜之前我们能否到家，还很难说。
59. I doubt the propriety of making a public statement before we have studied the official reports.
在我们对那些官方报告进行研究之前就发表公开声明，我怀疑这样做是否适当。
60. You need perseverance to win in politics and I doubt if he can go the distance.
在政治上，需要矢志不移才能取胜，我怀疑他能否坚持到底。
61. Who has not stood doubtful at the parting of the ways?
在需要作出抉择的时刻，谁不曾犹豫过?
62. More reading may be allaying your doubt.
多读书或许可以减少你的疑惑。
63. Everyone is doubtful of her a spy.
大家都怀疑她是个间谍。
64. The weather looks rather doubtful,ie unsettled.
天气看来靠不住(可能会变天).
65. The weather looks rather doubtful, ie unsettled.
天气看来靠不住（可能会变天）.
66. It's doubtful whether she will succeed.
她会不会成功尚难预料。
67. She convinced me that Paul was, beyond doubt, innocent.
她使我深信，保罗确实是清白无辜的。
68. She had no doubt as to the correctness of her own estimate.
她对自己所作估计的正确性确信无疑。
69. She's doubtful whether we shall be able to come.
她怀疑我们是否能够前来。
70. She was beyond all doubt the finest ballerina of her day.
她无疑是她那个时代最优秀的芭蕾舞演员。
71. She is right, beyond all doubt.
她无疑是对的。
72. Without a doubt, she is the best nurse in the hospital.
她无疑是那家医院最优秀的护士。
73. It is doubtful whether she 'll come .
她是否来还有疑问。
74. It is doubtful whether she will be able to come.
她是否能来令人怀疑。
75. No doubt her death is related to politics.
她的死无疑和政治有关。
76. The propriety of her deeds was doubtful.
她的行为是否得体却是很可怀疑的。
77. It is doubtful whether she will get this job.
她能不能得到这份工作还不一定。
78. If you are ever in doubts as to whether or not you should kiss a pretty girl, always give her the benefit of the doubt.
如果你在犹疑是否应该亲吻一个漂亮的姑娘的话，就把她尽量朝好处想罢。
79. Always proofread completed letters very carefully. Consult dictionary when necessary or in doubt.
完成的书信一定要很小心地校对，有必要或怀疑时查典。
80. There is no doubt but he won.
对於他获胜这一点没有疑问。