11~12 : tweens (informal)
13~19 : teens
[좁은 인간관계]
I had a small circle.
I had a handful of friends.
I was very shelterd. 갇혀있고 공부만 하고 친구가 많이 없었다.
We outgrow the phase.
[look up for]
존경하다
ex) Everybody look up for her.
[mainstream]
ex) It's too mainstream thesedays. (예전에 특별하지 않았는데) 요즘은 너무 대중적이야.
[be in]
인기 있다
= exetremely expopular, is fashionable at the moment
ex) Teenagers are used to find out what's in or not and what the market wants.
[be out]
인기 없다
= no longer popular (ex. jeans), is unfashionable at the moment
ex) Anything longer than a few inches is out.
[catch on]
= become popular or fashionable
ex) Text messaging caught on because kids wanted to pass notes to each other during class.
[kick off]
= start
[hone in on]
= to aim for and move directly toward something or someone
ex) Let's hone in on what really matters.
[come about]
= start to happen or happen
ex) All of these things came about because of the needs of kids.
[come up]
= is going to happen in the near future, usually unexpectedly
ex) What's coming up on the horizon(soon)?
[keep up with]
따라가다 / 뒤쳐지지 않다 / 계속 유지하다
= catch up with / stay level or equal with someone or something
ex) I can't keep up with you. You walk too fast.
ex) It's hard to keep up with the latest techonology.
ex) Do you still keep up with your high school friends?