This paper chapter describes the theoretical foundations of Systemic Functional Translation Studies (SFTS), and provides new insights into translation studies. The content includes interviews with renowned scholars in the field, discussions on the significance and application of SFL in translation, the relationship between SFL and other translation theories, the obstacles and future advancements in SFTS, as well as the potential contributions of functionally-oriented tools for translation. The chapter also explores the history of machine translation projects, the use of register in translation, the significance of contrast studies of different language pairs, and the implications of the appraisal system in translation.