to describe

https://tts.langeek.co/read?text=dG8gZGVzY3JpYmU&hash=6d050cf45e2cd70b6988dde87de71a7fee981a82&lang=en&cache-only=0&driver=googletts&accent=US

Here you will find the vocabulary from Unit 10 - Preview in the Summit 1B coursebook, such as "loner", "sociable", "laid-back", etc.