她含含糊糊地说：“对不起。”

'Sorry,' she mumbled.

他一再读错单词，而且说话含含糊糊的。

He repeatedly mispronounced words and slurred his speech.

他含含糊糊地说着很多如果进行选举会发生的状况。

He is equivocating a lot about what is going to happen if and when there are elections.

我会提醒自己察看对方是否表情木然、语言含含糊糊或目光不定。

I remind myself to look for glazed expressions, noncommittal grunts, or darting eyes.