A contextual language learning capability is disclosed. The contextual language learning capability is configured to enable an end user to use knowledge of a first language to learn a second language. The contextual language learning capability is configured to modify source content (in which content is provided in the first language) to form modified content (including a combination of content in the first language and content in the second language). The source content is processed to replace at least a portion of the content provided in the first language with corresponding content provided in the second language, thereby producing the modified content. The modified content is presented to the end user for use in learning the second language. The replacement of a subset of the source content in the first language with corresponding content in the second language gives context to the content in the second language, thereby giving the end user an understandable context for the content provided in the second language. This increases the likelihood that the end user will be able to understand and, thus, learn, the second language.