中英文地名和人名建议选择专门化的地名译典或人名译典;有些缩写词在缩写词典中更容易查到;

    doubtful查询结果如下:

    音标:['daʊtfl]
    名词复数:doubtfuls 词频:高频常用词

    基本释义/说明:adj.可疑的;怀疑的
    详解 词库 双语句典 英文释义 韦氏词典 英文百科 wiki词典 英文句库
    a.
    ①怀疑的;疑惑的;不能确定的;
    I am doubtful (as to) which to choose.
    选择哪一个我还决定不了.
    The future is too doubtful for us to make plans in detail.
    未来太不确定,我们无法做详细计划.
    ②可疑的;难料的;暧昧的;
    He`s a doubtful character.
    他是个不可靠的人.
    It`s a doubtful expression.
    这是含糊的词句.
    It`s a doubtful blessing.
    这件事也许是福,也许是祸.
    It is a doubtful neighbourhood.
    这是个名誉不佳的地区.
    The weather looks very doubtful.
    这天气很靠不住.
    It is quite doubtful whether I shall go or stay.
    我去还是不去,完全没有一定
    ③值得怀疑,不大可能;
    It is doubtful if we can get the engine working before 7 o`clock.
    我们七点之前能否使发动机正常运转值得怀疑.
    -扩展释义
    扩展解释:
    a.1. 怀疑的,疑惑的[F][(+about/of)][+wh-]2. 可疑的,令人生疑的3. 含糊的,不明确的;难以预测的,4. (名声等)不好的
    That’s doubtful.
    那是可怀疑的
    n. 【经贸】
    含糊的,怀疑的,可疑的,有疑问的
    That’s doubtful.
    那是可怀疑的
    -同义词和反义词
    -doubtful的不同词性形态

    形容词 变体/同根词

    doubtful的形容词比较级形式

    名词 变体/同根词

    A condition of doubt.
    One who doubts.
    “In the face of the doubter Lechworthy felt that he himself must show no doubt.”
    “I was for many years a supporter of the planning system, then a doubter, now a critic.”
    “An idealist tempered by realism, Holland was a doer, not a doubter.”
    The state of being dubious.
    “Let’s hope the inevitable victory does not obscure the dubiousness of its origins.”
    “I did not overlook the evils of constraint and the dubiousness as to the character of the master I should choose.”
    “Another reason might have been the dubiousness with which the tactics of the so-called New Journalism were viewed.”
    Capability of being doubtable.
    doubt; uncertainty
    简典