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Terms for subject Vulgar containing know from | all forms
EnglishRussian
not know one's ass from a hole in the groundни хрена не смыслить (I love Billie Eilish, but she doesn’t know her ass from a hole in the ground on this one. -- она ни хрена не смыслит в том, о чём говорит (Twitter) ART Vancouver)
not know one's ass from a hole in the groundбыть совершенно некомпетентным
you don't know your ass from your elbowты ничего не понимаешь в колбасных обрезках (ты ничего в этом не смыслишь you don't know anything, used in reference to an uninformed person (in Russian literally "you don't know anything about scraps of cold cuts"))