He is six years 'junior' to me. = He is 'junior' to me by six years. [=he is six years younger than I am]
He is six years my 'junior'. [=he is six years younger than I am]
She is a 'junior' partner in the law firm.
(..) - You know, if I wanted to avoid surveillance... because I was doing something illegal, which I never have, I would use the maintenance tunnel B. Which would put them out... right there. Look at you, junior detective. You know, I think you'd actually make a pretty good cop. How dare you. (..)2016 Zootopia
(..) But I was small and emotionally unbalanced like you once. - Har-har. - No, it's true. I think I was , maybe ... And all I wanted to do was join the Junior Ranger Scouts. So my mom scaped together enough money to buy me a brand new uniform. Because, by god, I was gonna fit in. Even if I (..)2016 Zootopia