Kai
n. 卡伊（姓氏）
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Thank you but this is something I have to solve by myself.
但有些事情我必须自己解决。
You'd better take a hat.
你最好戴上帽子。