词典释义：
used as a greeting
（用于打招呼或问候）哈罗，喂
-
hello there, Katie !喂，卡蒂！
used to begin a telephone conversation
（用作打电话开始语）喂
-
Hello? Connor speaking. 喂？我是康纳。
〈英〉 （表示惊讶）嘿
-
hello, what's all this then? 嘿，这是怎么一回事？
used as a cry to attract someone's attention
（用于吸引别人的注意力）喂
-
‘Hello below! ’he cried. “喂，注意下面！”他叫道。
used informally to express sarcasm or anger
〈非正式〉 ［用 以表达讽刺或恼怒］ 喂
-
Hello! Did you even get what the play was about ?喂喂！这出戏讲的是什么你都搞懂了吗？
an utterance of ‘hello'; a greeting.
“喂”的招呼声；打招呼，问候。
say or shout ‘hello'; greet someone
说（或大声叫）“喂”；打招呼。
-
say hello 打招呼
真题例句：
"late 19th cent.: variant of earlier
