剑桥词典used as an informal greeting , usually to people who you know （通常用作熟人間的問候語）嗨，喂 Hi, there! 喂，那位！ Hi, how are you doing? 嗨，你好嗎？ 例句 Love from Sophie. PS Say hi to Gemma.Hi, Lewis. How are you?Oh hi, Ben. 返回 hi