幼稚的

The puppyish enthusiasm of the new recruit brightened up the entire office.
新员工那小狗般充满热情的态度使得整个办公室都活跃起来。
Her puppyish energy was contagious, making everyone around her want to join in the fun.
她那小狗般的活力富有感染力，让周围的每个人都想加入这份乐趣中来。
He greeted me with a puppyish wag of his tail, even though I had only been gone for an hour.
尽管我只是离开了一个小时，他还是用那小狗般摇尾巴的方式迎接我。
The puppyish excitement in her eyes when she talked about her upcoming trip was hard to miss.
当她谈到即将来临的旅行时，眼中闪烁的小狗般兴奋之光难以忽视。
Despite his large size, the Great Dane had a puppyish playfulness that endeared him to everyone.
尽管体型庞大，这只大丹犬却有着小狗般的顽皮，使他深受大家喜爱。
Her puppyish delight at receiving the gift made the giver feel incredibly appreciated.
收到礼物时，她那小狗般喜悦的样子让送礼者感到非常被感激。
His puppyish behavior, always seeking attention and approval, could sometimes be a little overwhelming.
他那总是寻求关注和认可的小狗般行为，有时会让人觉得有点招架不住。
The puppyish bounce in his step as he explored the park showed how much he was enjoying his newfound freedom.
在公园里探索时，他步履中那小狗般的蹦跶显示出他是多么享受新获得的自由。
Her puppyish curiosity led her to investigate every corner of the house, getting into all sorts of mischief.
她那小狗般的好奇心驱使她去探索房子的每一个角落，结果惹了不少麻烦。
The puppyish trust he placed in strangers, approaching them with a wagging tail, was both endearing and a little worrying.
他对陌生人展现出的那种小狗般的信任，摇着尾巴靠近他们，既令人喜爱又略有些担忧。