if; supposing; in case

Short for 中国地方 (Chūgoku chihō): the Chūgoku region of Japan

the central part of a country, historically, commonly known as the capital city or the main region, where an emperor or other ruler resides / something within a country

(historical or contemporary) any of several kingdoms, empires, or states of the Chinese people

a surname

to become young / to be reborn

(colloquial) Clipping of 意味深長 (imishinchō).

meaningless

nonsense / meaninglessness

meaningless