If you describe something as ambiguous, you mean that it is unclear or confusing because it can be understood in more than one way.
This agreement is very ambiguous and open to various interpretations.
这个协议非常模棱两可,可以有多种解释。
The Foreign Secretary's remarks clarify an ambiguous statement issued earlier this week.
外交部长的话澄清了本周早些时候发布的一份模棱两可的声明。