剑桥词典used as an informal greeting , usually to people who you know （通常用作熟人间的问候语）嗨，喂 Hi, there! 喂，那位！ Hi, how are you doing? 嗨，你好吗？ 例句 Love from Sophie. PS Say hi to Gemma.Hi, Lewis. How are you?Oh hi, Ben. 返回 hi