man-to-man
adjective [ before noun ], adverb (also man to man) uk/ˌmæn.təˈmæn/ us/ˌmæn.təˈmæn/
(CONVERSATION)
坦率的，开诚布公的
used to describe an honest and direct conversation between two men
a man-to-man discussion 开诚布公的讨论
We talked man-to-man. 我们进行了坦率的交谈。
They are really having to face the issue man to man.