to describe

https://tts.langeek.co/read?text=dG8gZGVzY3JpYmU&hash=b513621cfec68d0730f5f35df125d29a467ffbfa&lang=en&cache-only=0&driver=googletts

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