aguerri bedeutet auf Englisch

seasoned▼◼◼◼(experienced)
adjective
[UK: ˈsiːz.n̩d] [US: ˈsiːz.n̩d]

inure [inured, inuring, inures]▼◼◼◼(to cause to become accustomed to something unpleasant by prolonged exposure)
verb
[UK: ɪ.ˈnjʊə(r)] [US: ˌɪ.ˈnjʊr]