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
例句
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。
详细解释
doubt.ful adj.(形容词)Subject to or causing doubt:可疑的,令人怀疑的:例句:a doubtful claim; doubtful prospects.令人怀疑的索赔案;令人可疑的前景 Experiencing or showing doubt:疑惑的,怀疑的:例句: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 Of uncertain outcome; undecided.不能确定的:未决的;未定的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:例句: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 【引伸】 doubt.fully adv.(副词)doubt.fulness n.(名词)<参考词汇><同义词>doubtful,dubious,questionable同义词>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。 Doubtful suggests pronounced lack of certainty: Doubtful 表示明显的不确定性: 例句:It is doubtful whether she will be admitted to graduate school.她能否考上研究生很可疑。 例句:He is an author of doubtful reputation.他是一位名声不太好的作家。 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: 例句:dubious about agreeing to go;迟疑不决到底同意还是不同意去; 例句:a painting of dubious value.价值没法断定的画。 Questionable can mean merely open to question ( Questionable 意思是.值得疑问的.:( 例句: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: 例句:questionable dealings;不正派的行为; 例句:a questionable stockbroker. 不正当的股票经纪人