... grades without ever having to study INTELLIGIBLE (adj) : dễ dàng, dễ hiểu The science teachers explanations were so intelligible that students had no problems doing their assignments INTELLECTUAL ... them know when to plant and harvest Observance (n): tu n theo, tu n thủ, nghi thức, nghi lễ There will be numerous parades and displays of the fireworks in observance of Independece Day Persecute ... công, vợt qua đợc Ví dụ: The students are happy that they passed their exams PAST (adj) : 1- qua, dĩ vãng Ví dụ: This past week has been very hectic for the students returning to the university 2-...