杨宪益戴乃迭夫妇翻译的《红楼梦》属于名家名译,但是并非完美无缺,也存在某些翻译失误。这些失误有的属于译者对原文想当然,有的属于望文生义,还有的是由于对上下文没有进行深入细致的分析。本文举例分析《红楼梦》杨译中的失误,同时说明翻译实践中的有关注意事项。 Yang Hsien-yi and Mrs. Gladys, the couple’s translator’s “Dream of Red Mansions” belong to famous names, but they are not perfect, and there are also some mistakes in translation. Some of these mistakes are translators of the original text taken for granted, some belong to the literary meaning of life, but also because the context did not conduct in-depth and meticulous analysis. This article gives an example to analyze the mistakes in Yang’s translation of A Dream of Red Mansions, and at the same time, to show the relevant notes in the practice of translation.