Usages of nǐhǎo
这家 店 的 人 很 有礼貌， 一 进门 就 笑 着 跟 我们 说 “你好”。zhèjiā diàn de rén hěn yǒulǐmào, yí jìnmén jiù xiào zhe gēn wǒmen shuō “nǐhǎo".
The people in this shop are very polite; as soon as you walk in, they smile and say “hello” to us.
你好， 我 是 李雷。nǐhǎo, wǒ shì lǐléi.
Hello, I am Li Lei.
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