int. （用作问候语）嘿，喂
abbr. 夏威夷群岛的书面缩写,（=high intensity）高强度
hi可以用作感叹词
hi用作问候语,意思是“嘿”“喂”,表示问候,相当于hello,也可用以唤起注意,属非正式用法。
hi也常可写成hey。
1、All this equipment has received international acclaim from the specialist hi-fi press.
这套设备受到全球高保真音响专业报刊的赞誉。
2、"Hello there," said the woman, smiling at them.— 'Hi!' they chorused.
“嘿，你们好！”那个女人笑着对他们说。——“你好！”他们齐声说。
3、Hi! How are you doing?
嗨！你近来怎么样？