Methodology Research Design The present study employed case study which aimed at investigating Indonesian EFL learners’ translation quality on Indonesian traditional aphorisms into English. The type of design is chosen due to its applicability and appropriateness in enabling the researchers to investigate the object (translation quality). Case study belongs to qualitative in nature; therefore, this design is also commonly known as qualitative case study. As descriptive study in nature, this present research neither intervenes the subjects nor treats them due to its main objective that is to explore the quality of the Indonesian - English aphorisms translation, translated by the Indonesian EFL learners in the undergraduate level (tertiary education).