0 used when meeting or greeting someone -- 喂，你好（用於問候或打招呼）
I know her vaguely - we've exchanged hellos a few times. 我對她不太熟悉——我們只有打過幾次招呼。
And a big hello (= welcome) to all the parents who've come to see the show. 非常歡迎所有來看演出的家長。
"Hello, I'd like some information about flights to the US, please." 「你好，我想詢問一些你們飛往美國的航班資料。」
The front door was open so she walked inside and called out, "Hello! Is there anybody in?" 前門開著，於是她走進去喊道：「喂！有人在嗎?」
She asked me if I'd just arrived and I was like "Hello, I've been here for an hour." 她問我是否剛剛到，我回答她說「嗨，我已經到這裡一個小時了。」
Hello, this is very strange - I know that man. 嘿，這可真奇怪——我認識那個人。
After we'd said our hellos, it all went quiet and nobody knew what to do.
Oh, hello - what are you doing in here?
I am entirely confident that our initiative on golden hellos for modern foreign languages this year will bring about equally good results.
They introduced golden hellos for maths and science graduates, which are being extended to other subjects, such as languages.
Three years ago, in 1998, we introduced the golden hellos—real money to recruit people who would teach in shortage subjects— and the scheme worked.
