---

Translation studies essentially deals with a socio-communicatively driven and contextualized enterprise. Viewed hence, it seems that no discipline tends to provide the possibility of studying the interrelations between interlocutors to generate meaning within the interactive social context as precisely as sociolinguistics (Federici, 2018). A sociolinguistic approach to translation seems to be increasingly gaining ground, at the crossroads of Translation and Interpreting Studies (TIS) and sociology within the sociological turn (Wolf, 2010). Accordingly, the present study took a sociolinguistic approach to shed some light on The Great Gatsby (1925) and its Persian translation by Emami (2000). In so doing, an extended version of Hatim and Mason’s (1997) sociolinguistic model was employed to examine the texts in question. The source text (ST) and its target text (TT) version were investigated at both textual and extra-textual levels in light of the model’s respective sub-components. The results of this comparative study, analyzed individually for each register variable, revealed that the translator dealt rather superficially with both use-related categories of register variation like tenor and user-related aspects like idiolect. By contrast, the predominant features of literary expression were mostly retained in the translation.