I'm a very vigorous man.

我是一个精力非常旺盛的人。

youdao

That 70-year-old man walked into the park with vigorous strides.

那位七旬老人健步走进公园。

《新英汉大辞典》

Meanwhile a young man came down the road. Vigorous and healthy, he was singing a song and looking this way and that.

这时来了位年轻人，朝气蓬勃，一路高歌，并且在举目四顾。

youdao

Mr Bouchard is a difficult man from whom to steal the spotlight, and he has a vigorous economy on his side.

ECONOMIST: Quebec