Haikou

(music) harmonica

talkative; voluble

(archaic, possibly obsolete) to make something into a saying or set expression / (rare) to kiss

crater, literally "fire mountain mouth".

(historical) Hankou (a former city in Hubei, China, now part of Wuhan)

(historical) Hankou (a former city in Hubei, China, now part of Wuhan)

the basics, a general idea

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

(literally) one side / everywhere, all around, the whole area / one viewpoint, one opinion or way of thinking / the front page of a newspaper