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巧妇难为无米之炊 -- "even the cleverest house wife cannot cook without rice".
Showhttps://en.m.wiktionary.org/wiki/%E5%B7%A7%E5%A9%A6%E9%9B%A3%E7%82%BA%E7%84%A1%E7%B1%B3%E4%B9%8B%E7%82%8A
Polish - „you can’t make a whip out of shit” „z gówna bicza nie ukręcisz”
I imagine it wouldn't hurt as much as a whip, but probably equally intimidating.
Probably the closest in Irish is "is deacair olann a bhaint de ghabhar" (it's hard to get wool from a goat)