adj.愚蠢的，幼稚的，孩子气的

The child's puerile behavior made the adults around them roll their eyes.
这个孩子的幼稚行为让周围的成年人感到无奈。
His puerile jokes never failed to entertain the group of friends.
他的幼稚笑话总能让一伙朋友开怀大笑。
She was surprised by her son's puerile obsession with superhero toys at his age.
她对儿子这么大的年纪还对超级英雄玩具如此痴迷感到惊讶。
The teacher tried to engage the class with a puerile story, but it only served to distract them.
老师试图用一个幼稚的故事吸引学生的注意力，但反而分散了他们的精力。
Puerile arguments often occur among siblings, but they usually resolve quickly.
兄弟姐妹之间常常会进行一些幼稚的争论，但通常很快就能解决。
The politician's puerile antics during the debate were widely criticized.
那位政治家在辩论中的幼稚行为受到了广泛的批评。
It's disappointing how some people refuse to grow up and remain stuck in their puerile mindset.
有些人拒绝长大，固守着幼稚的心态，这真是令人失望。
Don't let their puerile remarks get under your skin; just ignore them.
不要被他们那些幼稚的言论影响，就当没听见好了。
Her puerile pranks were a constant source of amusement for her classmates.
她的那些幼稚恶作剧总是能给同学们带来欢乐。
The author included a few puerile characters in the novel to provide comic relief.
作者在小说中加入了一些幼稚的角色来增加幽默感。