Chinese Idiom：偷天换日 (tōu tiān huàn rì)
Talking About Languages 谈语言（tán yǔ yán）
Chinese (Mandarin) is the language of the Han nationality and the main language of China. The standard language of the modern Chinese is？putonghua？(the common spoken Chinese).
Lesson 20 At Second-hand Market
Nowadays you can see many products with these words "made in China". Even in the foreign countries it's common to see that. Do you know the Chinese for "China top brand" ?
东的繁体字是“東”，由一个日字和一个木字组成，意思是说太阳还没有超过树梢，刚刚升起，是旭日东升的景象，并以此表示东方。 The traditional character for "东(dōng)", or east, is composed of the characters for "sun" and "wood", meaning that the sun has not passed the tip of the trees, hence sunrise from the east.
古体的“日”字是太阳的样子。 The ancient script of the character "日（rì）" had the shape of the sun.
Appointment 约会（yuē huì）
Chinese people usually invite close relatives and good friends to their house for dinner. They provide cordial entertainment for guests. They are not likely to invite a guest without any preparations of entertainment.
Chinese Idiom：图穷匕见 (tú qióng bǐ xiàn)