Unintelligible Talk不知所云
unintelligible fidge无法理解神经衰弱
unintelligible nonsense急促而不清楚的话;胡言乱语;莫名其妙的话
mutual unintelligible互不相通
unintelligible a难懂的来源考试大
unintelligible crosstalk不可懂串音
unintelligible babble不可懂多路混串音
ADJ（形容词） Unintelligible language is impossible to understand, for example because it is not written or pronounced clearly, or because its meaning is confused or complicated. 令人费解的
He muttered something unintelligible.
他嘀咕些莫名其妙的话。