Troy was very wise for his age and had already figured out ways to outsmart her.
特洛伊以他的年纪来说是非常聪明的，而且已经弄明白了智取她的方法。
《柯林斯英汉双解大词典》
2
We do know that Joseph was a very wise and obedient son even at just 17 years of age.
但我们的确知道，约瑟在年仅十七岁的时候，就是一个聪明听话的孩子。
3
Just as your 18th or 21st was your first coming of age, your 50th is the coming of the third age; where you are healthy, wealthy and wise - and the world is very much your oyster.