fishy Идиома

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there's something fishy

there is something wrong, there is something strange There's something fishy about a 1970 car with only 5000 km.

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Fishy

If there is something fishy about someone or something, there is something suspicious; a feeling that there is something wrong, though it isn't clear what it is.

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Smell Something Fishy

Detecting that something isn't right and there might be a reason for it.

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it smells fishy

something that is suspicious: "He wants to do all the housework for you? That smells fishy to me!"

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smell fishy

smell fishy
Be suspect or suspicious, as in His explanation definitely smells fishy; my guess is that he's lying. This idiom alludes to the fact that fresh fish have no odor but stale or rotten ones do. [Early 1800s]