The present study was carried out at a non-profit, non-governmental university in the city of Tehran (capital of Iran) with undergraduates of Translation and English Literature. All of them passed the Konkoor (an annual university entrance examination held nationwide in Iran). These students should master the four skills of speaking, writing, listening and reading during the four years of study. Vocabulary learning is one of the focal points which should be mastered during these four years of study. It is also important to note that the language proficiency level of these students was upper- intermediate and they were homogeneous in nature, since all of them passed the Konkoor, which is a validated examination in which the four skills are assessed for those who would like to continue their higher education in English majors.