(uncommon, archaic) Indochina, the Indochinese Peninsula

(prewar, often considered derogatory in modern speech) China

understanding, comprehension / appreciation

to study / to learn

in addition; furthermore / on top of (which)

the above / the top (position or direction) / the surface of / superior in skill, age, level, etc.

(dated, now usually derogatory) Chinaman (Chinese person)

(dated) the Chinese language

(obsolete) China expert or sinologue; China hand

(dated) the Second Sino-Japanese War