yāo he
to shout
to bawl
to yell (to urge on an animal)
to hawk (one's wares)
to denounce loudly
to shout slogans
Hēi hé
Heihe prefecture level city in Heilongjiang province 黑龍江|黑龙江[Hei1 long2 jiang1] in northeast China
cuō he
to play matchmaker
to act as a middleman
còu he
to bring together
to make do in a bad situation
to just get by
to improvise
passable
not too bad
hēi hé
black box
fig. system whose internal structure is unknown