precocious /prɪˈkəʊʃəs/

• 1. 

  ADJ A precocious child is very clever, mature, or good at something, often in a way that you usually only expect to find in an adult. 早熟的

  例：

  Margaret was always a precocious child.

  玛格丽特一直是个早熟的孩子。

  例：

  She burst on to the world tennis scene as a precocious 14-year-old.

  她作为一个14岁的早熟孩子突然出现在了世界网坛上。