“张三借李四一本书”是个多义句,以往的研究认为其语义的分化只能凭借上下文来实现,但我们的测试结果显示,在不提供上下文的情况下,被测试者对予夺不明双宾句的理解仍有较为明显的倾向和倾向性波动。本文考察诱发受话者倾向性理解和促动理解倾向值波动的动因,并力图从人类共同心理机制方面给予合理的解释。 “Zhangsanli Li Siyi ” is a polysemous sentence, the previous study that its semantic differentiation can only be achieved by context, but our test results show that without providing the context of the subject There is still a more obvious tendency and tendency to fluctuate understanding of preemptive unidentified double object sentences. This article examines the motivations of predisposing listeners to understand the tendency of understanding the value of the tendency to understand and tries to give a reasonable explanation from the common psychological mechanism of human beings.