the condition of showing mental development or achievement much earlier than usual

His parents had recognized his musical precociousness. 他的父母已经认识到他在音乐方面超常的能力。

Once so full of promise and precociousness, the golfer hasn't won a tournament in 19 months. 曾经如此充满希望、大器早成的高尔夫球手，在19个月内却没有赢得过一场比赛。

the behaviour of a child who seems much older than they are

She has a precociousness that verges on brattishness. 她一副少年老成的样子，有点粗鲁没教养。

I thought I was strong and independent, but it was just precociousness. 我以为我很坚强很独立，但其实我只是早熟。