noncommittal

详细解释:a. 不明朗的, 不承担义务的

词型变化：

副词:noncommittally

英语解释：

形容词 noncommittal:

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

例句：

I asked him if he approved of our plan, but he was noncommittal.我问他是否赞同我们的计划，但他态度不明朗。