1.American EnglishAmE informalSYYOUNG a teenager (青)少年,十几岁的孩子
2teens[plural] your teens is the period of your life when you are between 13 and 19 years old 青少年时期〔13到19岁之间的阶段〕
be in your teens
She was in her teens when she met him.
她遇到他时才十几岁。
early/late teens
We moved to York when I was in my early teens.
我十三四岁时我们搬到了约克。
Examples from the Corpus
early/late teens• There were four black guys in the car, late teens to early 20s.• By her early teens she was under contract to a managementfirm.• But in her late teens she lost interest.• Tijuana in the late teens already was developing the reputation of a wide-open town.• Iced teas, especially Snapple and Arizona, have been hits with consumers in their late teens and early 20s.• As I got nearer, I saw they were young people, mostly in their late teens and early twenties.• The trick facing the milkindustry is to keep kids in the milk habit into their late teens.