Jak to przetłumaczyć??

[plomas]

But there are, as he readily admits, flies in the ointment of his optimism.

chodzi mi o to czy w j. polskim jest odpowiednik wyraż…enia z flies in the....

[xeo]

she's the fly in the ointment - łyż…ka dziegciu w beczce miodu
there's one fly in the ointment - jedna drobnostka psująca przyjemność

[vlord]

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