Amu Darya, the biggest river of Central Asia, from Pamir to Aral sea, forming the boundary between Afghanistan and Tajikistan then flowing through Turkmenistan and Uzbekistan
formerly called Oxus by Greek and Western writers, and Gihon by medieval Islamic writers
1 lit. not to stop until one reaches the Yellow River (idiom)
2 fig. to persevere until one reaches one's goal
3 to keep going while some hope is left
信口开河
xìn kǒu kāi hé
1 to speak without thinking (idiom)
2 to blurt sth out
口若悬河
kǒu ruò xuán hé
1 mouth like a torrent (idiom)
2 eloquent
3 glib
4 voluble
5 have the gift of the gab
吴下阿蒙
Wú xià ā Méng
1 General Lü Meng 呂蒙|吕蒙 of the southern state of Wu (idiom); model of self-improvement by diligent study (from unlettered soldier to top strategist of Wu)
恒河沙数
Héng hé shā shù
1 countless as the grains of sand in the Ganges (idiom)
摸着石头过河
mō zhe shí tou guò hé
1 to wade across the river, feeling for footholds as one goes (idiom)
2 to advance cautiously, step by step
3 to feel one's way forward
暴虎冯河
bào hǔ píng hé
1 lit. fight tigers with one's bare hands and wade across raging rivers (idiom)
2 fig. to display foolhardy courage
江河日下
jiāng hé rì xià
1 rivers pour away by the day (idiom); going from bad to worse
2 deteriorating day by day
河东狮吼
Hé dōng shī hǒu
1 lit. the lioness from Hedong roars (idiom)
2 fig. refers to a shrewish wife or a henpecked husband
河水不犯井水
hé shuǐ bù fàn jǐng shuǐ
1 lit. river water does not interfere with well water (idiom); Do not interfere with one another.
2 Mind your own business.
河清海晏
hé qīng hǎi yàn
1 the Yellow River is clear and the sea is calm
2 the world is at peace (idiom)
牵马到河易，强马饮水难
qiān mǎ dào hé yì , qiǎng mǎ yǐn shuǐ nán
1 You can lead a horse to water, but you can't make him drink. (idiom)
血流成河
xuè liú chéng hé
1 rivers of blood (idiom)
2 bloodbath
过河拆桥
guò hé chāi qiáo
1 lit. to destroy the bridge after crossing the river (idiom)
2 fig. to abandon one's benefactor upon achieving one's goal