Come at

His precise meaning was not easy to come at.

Source: wiktionary

As I backed away, he came at me with a knife.

Source: wiktionary

a. 2001, Paul Keating, quoted in 2001, Brett Evans, The Life and Soul of the Party: A Portrait of Modern Labor, page 17, ‘He thought he′d come at the Australian Labor Party from the left. He thought he′d tie up the Catholic Church and the East Timor constituency by coming at Labor from that quarter. That′s what it has been all about.’

Source: wiktionary

Well I went to the recruiting office in Perth and the navy guy bailed me up first, ′cause they just come at you, like the navy guy comes at you, then the air force, ′cause they′ve got to get a quota I guess, and then the navy guy came at me and I told him about aviation and that I was keen on aviation and he′s off on his spiel about Sea Kings [helicopters] and all this sort of stuff and I think he might have fired guns or watched a radar or something on a boat somewhere, but he didn′t really know very much and then the army guy overheard him. He said ‘Aah. We′ve got all the helicopters, come over here.’

Source: wiktionary