A minority of children are sexually active before they are in their teens.

少数孩子十几岁前已有性行为。

Though still in his teens, Tom is shrewd at a bargain.

虽然汤姆才十多岁, 可是讨价还价行。

His son is in his teens.

他的儿子十几岁。

Teen angst is taken to a bloody finale in this badly written and directed short. It's a critique of middlebrow American life.

这部邪恶的短片中少年人的忧虑导致了血腥的结果。它是对美国中产生活的批判。