You're too young to talk that way.

说话别太少老成。

The official was quite the old head in young shoulder.

这名官员少老成。

But there was Jordan beside me who, unlike Daisy, was too wise ever to carry well-forgotten dreams from age to age.

但我身边有乔丹，和黛西一样，她少老成，会把早已忘怀梦一又一还藏在心里。

A precocious child who learned to read and write at age three, Anthony attended a district school, then a school set up by her father, and finally a boarding school near Philadelphia, Pennsylvania.

安东尼少老成，三岁时就学会了读书写字，她一开始就读于一所地区学校，然后又去了她父亲创办学校读书，最后到宾夕法尼亚州费城附近一所寄宿学校上学。