1) Hi, it's Li Na here.
你好,我是李娜。
2) This is Li Na speaking.
我是李娜。
3) Hello, is Li Na there?
你好,李娜在吗?
4) Hello. Mr Qi speaking.
你好,我就是。
5) What I do is for your own good.
我是为你好。
6) I' m giving you this advice for your own good.
我劝你是为你好.
参考词条