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spurious article; forgery; counterfeit; imitation; sham
この絵画は巧妙に作られた偽物だと判明した。
This painting turned out to be a skillfully made counterfeit.
偽物と本物の見分けがつかないほど精巧だった。
It was so elaborate that one could not tell the fake from the real thing.
ネットで買った商品が偽物だったので返品した。
The product I bought online turned out to be fake, so I returned it.