简明英汉词典

 doubtful
[5dautful]
adj.
可疑的, 不确的, 疑心的

美国传统词典[双解]

 doubtful
doubt.ful
AHD:[dout“f…l]
D.J.[6dautf*l]
K.K.[6da&tf*l]
adj.（形容词）

(1)

 Subject to or causing doubt:
可疑的，令人怀疑的：
a doubtful claim; doubtful prospects.
令人怀疑的索赔案；令人可疑的前景

(2)

 Experiencing or showing doubt:
疑惑的，怀疑的：
Doubtful that the cord would hold, we strengthened it.
绳索恐怕不能支撑，让我们使它坚固一点

(3)

 Of uncertain outcome; undecided.
不能确定的：未决的；未定的

(4)

 Raising doubts as to legitimacy, honesty, or respectability; suspicious:
令人质疑的：合法性、诚实性或名声有问题的；不可靠的：
the candidate's doubtful past.See Usage Note at doubt
这位候选人过去名声令人质疑参见 doubt

继承用法

 doubt“fully
adv.（副词）

doubt“fulness
n.（名词）

参考词汇

(1)

 doubtful， dubious， questionable

(2)

 These adjectives express a degree of uncertainty or reservation about someone or something.
这些形容词都表示不确定的程度或对某人、某事的异议。

(3)

 Doubtful suggests pronounced lack of certainty:
Doubtful 表示明显的不确定性：
It is doubtful whether she will be admitted to graduate school.
她能否考上研究生很可疑。
He is an author of doubtful reputation.
他是一位名声不太好的作家。

(4)

 Dubious expresses uncertainty less directly and less forcefully; often it suggests hesitancy, suspicion, or mistrust:
Dubious 表示的不确定性不那么直接和不那么强，通常它含有犹豫不决、猜疑、不信任的意思：
dubious about agreeing to go;
迟疑不决到底同意还是不同意去；
a painting of dubious value.
价值没法断定的画。

(5)

 Questionable can mean merely open to question (
Questionable 意思是“值得疑问的”：（
Whether this is true is questionable); often, however, it implies dubious morality, respectability, or propriety:
这是不是真的倒成问题）； 然而，它通常暗指道德、名声或行为等的有问题：
questionable dealings;
不正派的行为；
a questionable stockbroker.
不正当的股票经纪人

现代英汉词典

 doubtful
[5daJtfJl]
adj.

(1)

 怀疑的；不信任的
It is doubtful that he will come.
他会不会来值得怀疑。

(2)

 不确定的；拿不准的

(3)

 不一定的；也许…不的

(4)

 不可靠的；有问题的
He is a doubtful character.
他是一个不可靠的人。

现代英汉综合大辞典

 doubtful
[5dautful]
adj.

(1)

 怀疑的, 不太相信的(of, about)

(2)

 可疑的; 未必好的

(3)

 含糊的; 不确定的

(4)

 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

 doubtfully
adv.

doubtfulness
n.

用法词典

 doubtful
doubt怀疑+ -ful多.…的

[七国语言]英汉公共大词典

 doubtful
可疑的

美国传统词典

 doubtful
doubt.ful
AHD:[dout“f…l]
D.J.[6dautf*l]
K.K.[6da&tf*l]
adj.

(1)

 Subject to or causing doubt:
a doubtful claim; doubtful prospects.

(2)

 Experiencing or showing doubt:
Doubtful that the cord would hold, we strengthened it.

(3)

 Of uncertain outcome; undecided.

(4)

 Raising doubts as to legitimacy, honesty, or respectability; suspicious:
the candidate's doubtful past.See Usage Note at doubt

继承用法

 doubt“fully
adv.

doubt“fulness
n.

参考词汇

(1)

 doubtful, dubious, questionable

(2)

 These adjectives express a degree of uncertainty or reservation about someone or something.

(3)

 Doubtful suggests pronounced lack of certainty:
It is doubtful whether she will be admitted to graduate school.
He is an author of doubtful reputation.

(4)

 Dubious expresses uncertainty less directly and less forcefully; often it suggests hesitancy, suspicion, or mistrust:
dubious about agreeing to go;
a painting of dubious value.

(5)

 Questionable can mean merely open to question (
Whether this is true is questionable); often, however, it implies dubious morality, respectability, or propriety:
questionable dealings;
a questionable stockbroker.

英汉法学大词典

 doubtful
adj.怀疑

英汉航海大词典

 doubtful
n.含糊的

英汉化学大词典

 doubtful
adj.怀疑的,可疑的,有疑问的

英汉海运大词典

 doubtful
可疑

基本词义

 doubtful
可疑的，怀疑的

基本词义

 doubtful
可疑可疑的，怀疑的

英汉经贸大词典

 doubtful
n.含糊的,怀疑的,可疑的,有疑问的

英汉计算机大词典

 doubtful
adj.怀疑的(可疑的,有疑问的

英汉中医大词典

 doubtful
n.怀疑的,疑惑的,含糊的