Japanese movies, like their Hollywood counterparts, have produced plenty of 名台詞 (meiserifu, famous lines) over the years, in just about every genre. But when I was researching a book on ヤクザ映画 (yakuza eiga, Japanese gangster movies), I realized that this particular genre had generated more than its share.
One reason is that Japanese gangster-speak is filled with not just flavorsome slang — 娑婆 （shaba, the world outside prison), 島 (shima, gang territory) and 堅気 （katagi, straight) being among my favorites — but also expressions that sum up an entire world view in a few pungent words or characters.
一宿一飯の仁義 (isshuku ippan no jingi), for example, encapulates the classic gangster movie story of the 股旅物 (matatabimono, wandering gambler）, who, in exchange for 一宿一飯 (isshuku ippan, a night's lodging and meal) at the house of a friendly 親分 (oyabun, gang boss) becomes involved in the gang's battles in accordance with 仁義 (jingi, the gang code). For an old-time gangster, typically played by Ken Takakura, an obligation, no matter how slight, must be repaid, even if it means risking his own skin.
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