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.
(..) - What? Tell me. - What, tell me! I just remember... I don't know, I was in seventh grade... Nate was probably a junior in high school... and he had started that new wave band with Sam Hoviak and Tom Wheeler, do you remember? I do. (..)2005 TvShow: Six Feet Under Title: Everyone's Waiting Season: 5 Episode 12
(..) that's so nice of you. Thank you so much. Calm down. I mean, you just popped into my mind because I'd just seen you at that junior show. Maya, don't you want to show Grandma your okapi? - Okapi! - Yes! (..)2005 TvShow: Six Feet Under Title: Everyone's Waiting Season: 5 Episode 12