一歧义是指同一语言单位可以作两种或两种以上的理解。如：出租汽车（述宾／们正），长一尺（述宾／主谓）。本文打算对介词以及由此组成的介词结构所产生的组合方面的歧义现象做一整理，旨在说明汉语的常用介词中有相当一部分能引起歧义。以下就举例说明。1二在1）在火车上写 A sense of ambiguity refers to the same language unit can be two or more kinds of understanding. Such as: taxis (guest guests / are), one foot long (guest / guest). This article intends to summarize the ambiguities in the combinations of prepositions and the resulting prepositional structures, aiming to show that a significant proportion of the commonly used Chinese prepositions can cause ambiguity. The following is an example. 1 two in 1) write on the train