The manager warned staff that puerile jokes in team emails would not be tolerated.

經理警告員工，團隊電子郵件中不得出現幼稚的玩笑。

His puerile behavior during the client meeting embarrassed the entire sales department.

他在客戶會議上的幼稚行為讓整個業務部門都很尷尬。

Several passengers complained about the puerile remarks a tour guide made on the shuttle.

幾位乘客投訴導遊在接駁車上說了幼稚的話。