fall short of 达不到，不尽人意

　　释义

　　If something fall short of one's expectation, it fails to reach the satisfactory level.

　　例句

　　The performance fell far short of our expectations; only the soprano lived up to her reputation.

　　GRE

　　Psychohistorians, convinced of the absolute rightness of their own theories, are also convinced that theirs is the “deepest” explanation of any event, that other explanations fall short of the truth.

　　心理历史学家坚信其理论的绝对正确性，认为这些理论是对于任何事件的“最深刻”解释，而其他任何解释都无法完全揭示事实的真相。