1
Hi!
Hi! How are you?
嗨！你好吗？
喂
先理解核心含义，再看它在真实句子里的用法。
喂
An expression of greeting.
Hi! How are you?
嗨！你好吗？
友好、非正式、随意的问候语,用于某人到来时。
A friendly, informal, casual greeting said upon someone's arrival.
用于引起注意的感叹词。
An exclamation to call attention.
表示惊讶或嘲讽。
Expressing wonder or derision.
He waved and said 'hi' to his neighbor from across the street.
他挥手向街对面的邻居打招呼说“喂”。
When I entered the office, everyone turned and said 'hi'.
我走进办公室时，每个人都转身说“喂”。
She smiled and gave a quick 'hi' before continuing her work.
她微笑着快速说了声“喂”，然后继续工作。
Hi! How are you?
嗨！你好吗？
用于称呼对方
Hi, Sarah!
嗨，莎拉！
非正式问候
Hi there! Long time no see.
嗨，你好！好久不见。
Not this
I hi him.
Use this
I say hi to him.
将‘hi’误用作动词；英语中‘hi’是感叹词，不能直接带宾语，需用‘say hi to’结构。
Not this
I said high to him.
Use this
I said hi to him.
混淆同音词‘high’与‘hi’；‘high’是形容词或名词，表示‘高’，而‘hi’是问候语‘喂’。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
打招呼，问好
I saw my neighbor and said hi.
我见到邻居，打了个招呼。
挥手打招呼
She waved hi from across the street.
她在街对面挥手打招呼。
嗨，你好
Hi there! How are you doing?
嗨，你好！你怎么样？
大家好
Hi everyone, thanks for coming.
大家好，谢谢你们来。
大声喊打招呼
He shouted hi to his friend from the car.
他在车里向朋友大喊打招呼。
嗨，我是阿甘。
When he introduces himself, he says, 'Hi, I'm Forrest Gump.'
当他自我介绍时，他说：“嗨，我是阿甘。”
嗨，我是伍迪。
In Toy Story, Woody greets Buzz Lightyear with 'Hi, I'm Woody.'
在《玩具总动员》中，伍迪向巴斯光年打招呼说：“嗨，我是伍迪。”
Use hi naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
发音类似中文'嗨'，记住见面挥手说'嗨'。
通常用于非正式场合，朋友或熟人之间打招呼。
All listed words rhyme with 'hi' (/haɪ/), sharing the /aɪ/ sound. 'High' is a homophone of 'hi'.
Dictionary facts from ECDICT, WIKTIONARY.