vigorous造句

His prose is vigorous and dense, occasionally to the point of obscurity.
他的散文文笔有力、内容庞杂,有时几近晦涩。

He collapsed following a vigorous exercise session at his home.
在家剧烈运动了一阵后他突然昏倒了。

More vigorous action is needed to force the federal army to disengage.
需要更强有力的行动来迫使联邦军队撤军。