to [take] responsibility

https://tts.langeek.co/read?text=dG8gdGFrZSByZXNwb25zaWJpbGl0eQ&hash=4353ac7a1e14326c24b5312678c65e027a6d22d5&lang=en&cache-only=0&driver=googletts&accent=US

Here you will find the vocabulary from Unit 2 - Preview in the Summit 2A coursebook, such as "admit", "blame", "promise", etc.