shàng xià
up and down
top and bottom
old and new
length
about
sān dài
three generations of a family
the three earliest dynasties (Xia, Shang and Zhou)
yuè xiāng
phases of moon, namely: new moon 朔[shùo], first quarter or waxing moon 上弦[shàng xián], full moon 望[wàng] and last quarter or waning moon 下弦[xià xián]
Xià Shāng zhōu
Xia, Shang and Zhou, the earliest named Chinese dynasties
Tāng wǔ gé mìng
overthrow of the Xia dynasty 夏 by first king Tang of Shang dynasty 商, unconfirmed but placed at c. 1600 BC
Tāng Wǔ Gé mìng
the Tang and Wu Revolts: the overthrow (c. 1600 BC) of the Xia Dynasty by the first king, Tang 商湯|商汤[Shang1 Tang1], of the Shang Dynasty, and the overthrow (c. 1046 BC) of the Shang Dynasty by the Zhou Dynasty founder, King Wu 周武王[Zhou1 Wu3 wang2]