equivocal

她的评论含糊不清，让听众感到不确定。

Her remarks are ___equivocal, leaving the audience uncertain.

这位大使的模棱两可的声明让两个谈判代表团都对他的国家的真实立场感到困惑。

The ambassador's ___equivocal statement left both negotiating delegations confused about his country's true position.

活检结果不明确，所以医生安排了第二轮影像检查。

The biopsy results were ___equivocal, so the doctor ordered a second round of imaging tests.