noncommittal /ˌnɑːnkəˈmɪtl̟/ adjective /ˌnɑːnkəˈmɪtl̟/
adjective
Learner's definition of NONCOMMITTAL
[more noncommittal; most noncommittal]
: not telling or showing what you think about something不表态的；含糊的 -
She would only give noncommittal answers about her plans.当被问到自己的计划时她总是含糊其辞。
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The president remained noncommittal, saying only that all options would be considered.总裁没有表态，只是说所有的选择方案都会考虑。
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often + about