He answered the question ambiguously, leaving everyone unsure of his true meaning.

ambiguously 是形容词 ambiguous 的副词形式，由词根 ambi-（表示"两者"）和 -guous（来自拉丁语 agere，表示"做、行动"）组成，字面意思是"朝两个方向行动"。 ambiguously 的意思是"含糊地、模棱两可地"，形容说话或表达方式不明确，可能有两种或多种解释。