doubtful
[5dautful]
adj.
可疑的, 不確的, 疑心的
doubtful
doubt.ful
AHD:[dout“f…l]
D.J.[6da&tf*l]
K.K.[6da&tf*l]
adj.（形容詞）
Subject to or causing doubt:
可疑的，令人懷疑的：
a doubtful claim; doubtful prospects.
令人懷疑的索賠案；令人可疑的前景
Experiencing or showing doubt:
疑惑的，懷疑的：
Doubtful that the cord would hold, we strengthened it.
繩索恐怕不能支撐，讓我們使它堅固壹點
Of uncertain outcome; undecided.
不能確定的：未決的；未定的
Raising doubts as to legitimacy, honesty, or respectability; suspicious:
令人質疑的：合法性、誠實性或名聲有問題的；不可靠的：
the candidate's doubtful past.See Usage Note at doubt
這位候選人過去名聲令人質疑參見 doubt
doubt“fully
adv.（副詞）
doubt“fulness
n.（名詞）
doubtful,dubious,questionable
These adjectives express a degree of uncertainty or reservation about someone or something.
這些形容詞都表示不確定的程度或對某人、某事的異議。
Doubtful suggests pronounced lack of certainty:
Doubtful 表示明顯的不確定性：
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.
他是壹位名聲不太好的作家。
Dubious expresses uncertainty less directly and less forcefully;often it suggests hesitancy, suspicion, or mistrust:
Dubious 表示的不確定性不那麽直接和不那麽強，通常它含有猶豫不決、猜疑、不信任的意思：
dubious about agreeing to go;
遲疑不決到底同意還是不同意去；
a painting of dubious value.
價值沒法斷定的畫。
Questionable can mean merely open to question (
Questionable 意思是“值得疑問的”：（
Whether this is true is questionable); often, however, it implies dubious morality, respectability, or propriety:
這是不是真的倒成問題）； 然而，它通常暗指道德、名聲或行為等的有問題：
questionable dealings;
不正派的行為；
a questionable stockbroker.
不正當的股票經紀人
doubtful
[5dautful]
adj.
懷疑的, 不太相信的(of, about)
可疑的; 未必好的
含糊的; 不確定的
難以預料的, 未定局的
be [feel] doubtful of [about] the data
懷疑那些數據
a doubtful character
可疑的人物
magazine of doubtful taste
內容不太好的[低級趣味的]雜誌
a doubtful reply
含糊的回答
doubtfully
adv.
doubtfulness
n.
doubtful
doubt.ful
AHD:[dout“f…l]
D.J.[6da&tf*l]
K.K.[6da&tf*l]
adj.
Subject to or causing doubt:
a doubtful claim; doubtful prospects.
Experiencing or showing doubt:
Doubtful that the cord would hold, we strengthened it.
Of uncertain outcome; undecided.
Raising doubts as to legitimacy, honesty, or respectability; suspicious:
the candidate's doubtful past.See Usage Note at doubt
doubt“fully
adv.
doubt“fulness
n.
doubtful ,dubious ,questionable
These adjectives express a degree of uncertainty or reservation about someone or something.
Doubtful suggests pronounced lack of certainty:
It is doubtful whether she will be admitted to graduate school.
He is an author of doubtful reputation.
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.
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.
doubtful
doubt懷疑+ -ful多.…的
doubtful
可疑的
doubtful
[5daJtfJl]
adj.
懷疑的；不信任的
It is doubtful that he will come.
他會不會來值得懷疑。
不確定的；拿不準的
不壹定的；也許…不的
不可靠的；有問題的
He is a doubtful character.
他是壹個不可靠的人。
doubtful
n.含糊的
doubtful
adj.懷疑的,可疑的,有疑問的
doubtful
n.含糊的,懷疑的,可疑的,有疑問的