Phrase "shoot to kill" the dictionary definition and the actual usage of the existence of some differences, some scholars think that this is a result of misuse of non-described as the phenomenon of learning, and suggested rewriting dictionary definition to meet the language development needs. This interpretation agreed to rewrite the dictionary, but did not agree to rewrite because of misuse. Ready-made dictionary to explain that the "shoot to kill" the original meaning, but the reality often is the "shoot to kill" the extended meaning, which is a derived word meaning belonging to the normal development of language is not misused.