名詞
代指二戰期間日本控制香港嘅時期,由 1941 年 12 月 25 號港督楊慕琦向日軍投降,至到 1945 年 8 月 15 號日皇裕仁向「同盟國」投降為止 the Imperial Japanese occupation of Hong Kong, from 25th December 1941 to 15th August 1945; literally: three years and eight months
Definitions (Wiktionary)
name, metonymically
the Japanese occupation of Hong Kong from 25 December 1941 to 30 August 1945