Foreign languages in the context of Vietnam and other countries. Since context specificity reviews its importance as content specificity, the study looks at different groups of learners according to futher professional or academic purposes, especially for ESP students regarding legal English teaching. Highly specialized legal English teaching contexts require the equal cooperation of ESP practitioners and legal professionals. To be proficient in the use of legal language, the comprehension of legal terminologies and theories must be achieved since the difficulties of Legal language belong to the nature of the legal profession in any language. However, besides the challenges of the nature of the legal profession, teachers have affirmed the challenge of teaching legal English (for both native speakers) because of “legalese” (roughly translated as a legal term used in legal documents).