Transcript:
Val: What do you want to be when you grow up, Holly?
Holly: WHO KNOWS.
Val: SOMETHING must interest you...
Holly: Yeah, I guess...
Val: Like WHAT?
Holly: I dunno...LOTS of stuff...
Val: Can you hone in a little?
Holly: Cute shoes, Aunt Joan!!
It should be ‘home’ in. You home in on something, as with a homing beacon or a homing pigeon. ‘Hone’ means to sharpen, as a knife or a skill.