rule out 1. 划线去掉 rule out a misspelt word 划掉一个拼错的词 2. 把…排除在外；排除…的可能性 The injured prizefighter refused to rule out the possibility that he could fight again. 这位受伤的职业拳击家拒绝排除再度出战的可能性。 The police have ruled out murder in the case of the girl's death. 警方在姑娘死亡案中已排除他杀的可能性。 3. 使成为不可能 The motor noise ruled out conversation. 发动机的噪音使谈话无法进行。