A1 used as an informal greeting, usually to people who you know(通常用作熟人间的问候语)嗨,喂
More examples
Love from Sophie. PS Say hi to Gemma.
Hi, Lewis. How are you?
Oh hi, Ben.
written abbreviation for the US state of Hawaii: used in addresses(美国)夏威夷州(写地址时Hawaii的缩写)
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
切換為繁體中文