mild

https://tts.langeek.co/read?text=bWlsZA&hash=49dcb8dad5f1bad5ec648d2b70d7fe57840a0706&lang=en&cache-only=0&driver=googletts

Here you will find the vocabulary from Unit 5 - Lesson 3 in the Top Notch 3A coursebook, such as "deadly", "moderate", "mild", etc.