nose something out
phrasal verb with nose verb uk/nəʊz/ us/noʊz/
informal
侦察出；打探出；查出
to discover something by searching carefully
He soon nosed out the details of the accident by talking to people and making some phone calls. 和人们随意闲聊并打了几通电话之后，他很快就摸清了事故的细节。