What is memang? Indeed
Pelajar itu memang rajin kerana dia belajar setiap hari.
That student is indeed hardworking because s/he studies every day.
What is pun? also or then
1. Dia pun tidur selepas makan ubat
S/he then sleeps after taking the medication.
2. Dia pun suka mi rebus di kantin fakulti kejuruteraan
S/he also likes the boiled noodles at the canteen of the Engineering Faculty