The manager opened the meeting with a jocular remark that relaxed everyone in the room.

經理以一句詼諧的話開場，讓會議室裡的每個人都放鬆下來。

Our tour guide kept a jocular tone throughout the long bus ride to the airport.

在前往機場的漫長巴士車程中，我們的導遊一路都保持著幽默的語氣。

Please avoid jocular language in formal emails to clients, even if you know them well.

即使和客戶很熟，寄給客戶的正式電子郵件中也請避免使用開玩笑的用語。