to worry

https://tts.langeek.co/read?text=dG8gd29ycnk&hash=ff9223ba421132cd4cbb25ad14c85f5d7b7c38e0&lang=en&cache-only=0&driver=googletts&accent=US

Here you will find the vocabulary from Unit 8 Lesson B in the Four Corners 4 coursebook, such as "reassurance", "work out", "anxious", etc.