noun
Second Sino-Japanese War (1937-1945)
Historical term referring specifically to the conflict between Japan and China from 1937 to 1945.
日中戦争は1937年に始まった。
The Second Sino-Japanese War began in 1937.
noun
war between Japan and China
General term for any war between Japan and China; context usually makes the specific conflict clear.
歴史的に見て、日中戦争は何度か起きている。
Historically, wars between Japan and China have occurred several times.