... using Vietnamese translation in teching English vocabulary b) to explore the teachers and students perceptions of the effectiveness of using Vietnamese translation in teaching and learning English ... on their teaching practice Objectives of the study The research is aimed to investigate the effectiveness of using Vietnamese translation in teaching vocabulary to the 10th form students at Vung ... techniques in teaching vocabulary, a summary of previous studies on L1 and translation in vocabulary teaching and learning, L1 translation in teaching L2 vocabulary, the use of L1 translation in vocabulary...