“千万”“万万”是现代汉语中使用频率颇高的两个词,用作语气副词时,它们在一定句法环境中可互相替换,但也存在一定差异。文章在考察真实语料的基础上,从语义特征的角度对“千万”“万万”进行描写和分析,归纳出两者在语义特征方面的共性与个性。 “Tens of millions ” “Tens of millions ” are two frequently used words in modern Chinese. When used as modal adverbs, they can be replaced in a certain syntactic environment, but there are also some differences. On the basis of examining the real corpus, the article describes and analyzes “million ” “million ” from the perspective of semantic features and concludes the commonality and individuality of the two in terms of semantic features.