用作定语
▲～+n.
 She made a vigorous speech in defence of her boyfriend.她为她的男朋友做了有力的辩护。
He is a vigorous young man.他是精力充沛的青年。
用作表语
▲S+be+～
 The old man is still vigorous and lively.那老人依然精力充沛。

［派生词］ vigorously adv. 精力充沛地
［同义词］   active, energetic, strong
［词源］＜中古英语vigerous(有力的)