1. 不明朗的：noncommitment 不作承诺 | noncommittal 不明朗的 | noncommunicable 不会传染的

2. 不表态的：stick to established facts 坚持已确立的观点 | noncommittal 不表态的 | paradoxical and witty矛盾的妙语,诡论的机智

3. noncommittal

3. 不表示明确意见的, 不表态的;不承诺的;含糊的：light-hearted轻松愉快的, 无忧无虑的 | noncommittal不表示明确意见的, 不表态的;不承诺的;含糊的 | neutral中立的,不偏向的

4. 不做允诺的,不表态的：tentative 不确定的 不果断的 犹豫不定的 | noncommittal 不做允诺的,不表态的 | agitation 焦虑不安 烦乱的

1. (态度、观点等)不明朗的;不表态的
    You can describe someone as noncommittal when they deliberately do not express their opinion or intentions clearly.

911查询·英语单词

    e.g. Mr Hall is non-committal about the number of jobs that the development corporation has created...
           霍尔先生并未明确说明开发公司已创造的岗位数量。
    e.g. Sylvia''s face was noncommittal...
           西尔维娅一脸不置可否。

1. refusing to bind oneself to a particular course of action or view or the like

    e.g. her boyfriend was noncommittal about their future together