A: Mum, the teacher asked me what I would like to be when I grew up?
B: How did you answer her?
A: I said I'd set my sights on becoming a writer. And then the teacher told me to read more great books.
B: That's the best advice.
set one’s sights on
exp. To identify, regard, or focus on someone or something as one's goal. （定力目标，打定主意）
e.g. Every since she was a little girl, Janet has set her sights on being a fighter pilot.
e.g. They're setting their sights on you to be their new head of marketing.
e.g. We have set our sights on a bigger house.
e.g. Ralph set his sights on getting a law degree from Stanford.
1. would like to do something：想做某事
e.g. You are welcome to any books you would like to borrow.
e.g. The shepherd would like to hear the pedigree of your life, father.
e.g. Mrs. Hunter would like to be always awake-ready for a brawl.
2. grow up：长大
e.g. That boy needs a firm hand to help him grow up.
e.g. No matter how much we grow up, while at least one parent is alive there's always a sense of having someone to fall back on.