fourteener

例句：

1. 1.He was a fourteener when he was fifteen.
   他十五岁时是个十四岁的少年。
2. 2.The fourteener peak is the highest point in the park.
   十四岁峰是公园的最高点。
3. 3. She's a fourteener, but she's not afraid of heights.
   她是个十四岁的人，但她不怕高。