1）ill-defined or uncertain；possible to be understood in different ways
2）not clear；uncertain；vague
3）vague；subject to more than one interpretation
Synonyms: cryptic, enigmatic, indefinite, indeterminate
ambiguous：perception
ambiguous <> obvious, straight
The forensics expert ascertained the body’s age based on the degree to which the facial structure had ambiguous．
Her habitual sarcasm rendered her statement ambiguous；no one could tell if she really meant what she said．
The ambiguous law did not make a clear distinction between the new and old land boundary．
有多种理解方式的；不确定的：open to more than one interpretation；doubtful or uncertain
【例】Students have ambiguous feelings about their role in the world．学生们为他们在世界中的角色感到迷茫。
Frustrated by ambiguous instructions 因为不明确的指示而受挫
【近】doubtful, equivocal, unclear, uncertain
【反】distinct, pellucid, patent, blatant, explicit, lucid, perspicuous 清楚的，明显的
