vigorous 朝气蓬勃的
Mary stretched her muscles before an hour  of vigorous exercise.
hospitable 好客的 sociable, companionable
positive 积极的 active (passive)
energetic 积极的 精力旺盛的 active
The boss appreciated the energetic  workers.
ardor 热心 （enthusiasm）
The teacher was impressed by Bill's ardor  learning.
ardent 极热心的 热情的 passionate,  enthusiastic, fervent, zealous
Jane's ardent admirer sent her flowers  everyday.
eager 渴望的 热心的
Bill was eager to go fishing for the  weekend.
impassioned 热烈的 emotional, ardent
avid 热切的 eager
The avid tennis fans cheered for their  favorite tennis player.
devoted 热心的 enthusiastic
Mary is a devoted member of her church.
readily 愿意的 eagerly, willingly
enthusiasm 热情 passion
Jane's enthusiasm for gardening is evident  by all of these beautiful flowers.
zeal 热心 热情 热忱 zest, enthusiasm
zealous 热心的 enthusiastic, fervent
The zealous soldier hoped to be sent into  battle.
zest 浓烈的兴趣 acclaim, applaud
Birds are singing, hailing the coming of  the spring.