Hi
/haɪ/In informal situations, you say "hi" to greet someone. 嗨 (非正式场合中用于打招呼)
interjection [请求] 嗨！（表示问候或用以唤起注意）
an expression used to attract attention 嘿; 喂; 用于引起注意 "Hi, Liz," she said shyly. “嗨，利兹，”她羞涩地说。
an expression used to attract attention 嘿; 喂; 用于引起注意 "Hi, Liz," she said shyly. “嗨，利兹，”她羞涩地说。
