1. He is a energetic tennis player.
    他是一个精力充沛的网球运动员.

2. It is hard for energetic, quick-minded people to waste time,
    精力充沛、头脑敏捷的人极不愿意浪费时间，

3. In one English class, the 11 students spend the last five minutes in an energetic exchange evaluating their class performance for the day on a 1-10 scale.
    在一堂英语课上，11名学生用最后的五分钟展开激烈的讨论，依照1-10的评分标准相互评价他们当天的课堂表现。