chief

https://tts.langeek.co/read?text=Y2hpZWY&hash=7267d032f646e3f85d1c44e3efdedb096d777566&lang=en&cache-only=0&driver=googletts&accent=US

Here you will find the vocabulary from Unit 5 - 5E in the Insight Advanced coursebook, such as "foremost", "sheer", "principal", etc.