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consumer financing firm; loan shark
彼はサラ金に手を出してしまった。
He ended up borrowing from a loan shark.
サラ金の取り立てが厳しく、弁護士に相談した。
The loan shark's collection efforts were severe, so I consulted a lawyer.
昔、サラ金問題が社会を揺るがした。
In the past, loan shark issues rocked society.