vigorous

She remained vigorous into her nineties.她一直到九十多岁都很硬朗。

His speech was met with vigorous applause.他的演讲受到了热烈的欢迎。

She gave a vigorous defense of her beliefs.她坚决捍卫自己的信仰。

a vigorous argument/debate激烈的争论/辩论

You should get 20 minutes of vigorous [=strenuous] exercise every day.你应该每天做20分钟高强度的运动。