1. 引起歧义的；模棱两可的，含混不清的　 having more than one possible meaning; uncertain in meaning or intention
2. 不明确的　not clearly stated or defined

　～ answer　模棱两可的回答
　～ attitude　暧昧的态度
　～ character　难以捉摸的人
　～ future　不明朗的前景
　～ gesture　用意含糊的手势
　～ glance　意向不明的一瞥
　～ insect　难以归类的昆虫
　～ position　暧昧的立场
　～ reply　模棱两可的回答
　～ sentence　歧义句
　～ shape　模糊的形状
　～ smile　用意含糊的微笑
　～ statement　模棱两可的说法
　sentence ～ in sense　意义含糊的句子

　It's an ambiguous statement.　这是一个含混不清的说法。
　This is an ambiguous sentence.　这是个歧义句。
　"Indian" is an ambiguous word because it can refer to an American Indian or a native of India. 　“Indian”是个意义不明确的词，因为它既可以指一个美国印第安人，又可以指印度人。
　He began to use ambiguous language.　他开始隐约其词起来。
　He kept making ambiguous remarks instead of straight forward yes-or-no replies.　他连续地讲些模棱两可的话，而不是作出明确的肯定或否定的回答。
　It was hoped that he would clarify the ambiguous remarks he made earlier.　希望他能澄清以前做出的含糊言论。
　That's a rather ambiguous answer—what exactly do you mean? 　那是个非常含糊的回答，你到底意思如何?
　They've always had ambiguous feelings about whether or not they should have children.　他们对于是否应该有孩子这一问题的想法总是不明确。

▲ n.+～

　There is nothing ambiguous in his answer.　他的答案清楚明白。

用作表语

▲ S+be+～

　The title of this chapter is ambiguous.　这一章的标题含意模糊。
　The wording of the agreement is ambiguous, so both interpretations are valid.　协议的措词很含糊，因此两种解释均有效。
　The wording of the law is highly ambiguous.　这项法律的措词非常含糊。
　His reply to my question was somewhat ambiguous.　他对我的问题回答得有些含糊。
　Her account was deliberately ambiguous.　她的陈述故意含混不清。
　His role has always been ambiguous.　他的作用一直不明确。
　Their position in society remains ambiguous.　他们在社会中的位置仍不明确。

▲ S+be+～+prep.-phrase

　This sentence is ambiguous in sense.　这个句子意思不清楚。
　The government has been ambiguous on this issue.　政府在这一问题上模棱两可。

▲ S+be+～+to-v

　Her speech was deliberately ambiguous to avoid offending either side.　她的演讲故意含糊其词，以免冒犯任何一方。

用作宾语补足语

▲ S+V+O+～

　In explaining his stand, he only made everything more ambiguous than it had been to begin with.　在解释他的立场时，他只是将一切都搞得比开始时更加含混不清。

 ♣ ambiguous, doubtful, dubious
　这三个词都有“说不准”的意思， ambiguous指“不明朗”“有多种解释的”；而dubious和doubtful指人时意为“对…拿不准，有怀疑”，指物时表示情况不稳定，好坏难定。
 ♣ ambiguous, obscure
　这两个词都有“含糊的”“模棱两可的”意思。ambiguous指字词、语句、文章等由于多种解释的词而又对其确切含意未作说明而使意义模棱两可、含混不清；obscure可指字迹、道路等由于某种原因如语气本身不清，理解有误等而模糊不清，也常用作比喻，表示难以理解。

　［同义词］ uncertain, unclear, vague
　［反义词］ clear, definite, direct, frank, obvious
　［词源］拉丁语ambiguus（不肯定的）