Lesson Two -- 你好、您好

你--ni(pronunciation)
ㄋㄧˇ
(singular) you
(singular) your
(indefinite reference to some or any person) one or anyonenin

您--nin(pronunciation)
ㄋㄧㄣˊ
[Dialect] (polite form of addressing one person) you

好--hao(pronunciation)
ㄏㄠˇ
good; fine
friendly; fine
completed; done
easy
easily

你好--ni hao(pronunciation)
ㄋㄧˇ ㄏㄠˇ
how do you do; how are you; hello; hi

您好-- nin hao(pronunciation)
ㄋㄧㄣˊㄏㄠˇ
(polite form of addressing one person)
how do you do; how are you; hello; hi

Lesson one -- 中文

中 -- zhong (Pronunciation)
ㄓㄨㄥ
center; middle
in; inside; among
in between
average, mean, or middle (class, grade, etc.)
in the course of
fit for

文 -- wen (Pronunciation)
ㄨㄣˊ
a composition; an article
a language
civil; civilian
literature; culture; education
elegant; gentle; refined
a former monetary unit
to owe nothing
a Chinese family name

中文--zhong wen (Pronunciation)
ㄓㄨㄥ ㄨㄣˊ
Chinese language; Chinese