你好

你好

"Hello" or "Hi."

The word '你好' is used here as a greeting to initiate a conversation with someone.

你好，我是你的新老师。

Hello, I am your new teacher.

In this context, '你好' serves as a friendly salutation when encountering someone.

一天见到朋友，可以向对方问候：你好！今天忙不忙？

When seeing a friend during the day, you can greet them: 'Hello! Are you busy today?'.

Here, '你好' is employed as a formal opening greeting in written correspondence.

在书信开头可以使用“你好”表达问候。

At the beginning of a letter, you can use '你好' to express greetings.