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I don't know the first thing about cooking/sports/children.
Useful english dictionary. 2012.
not know the first thing about — (not) know the first thing about (something) to not know anything about a particular subject. I don t know why you re asking Rob, he doesn t know the first thing about classical music … New idioms dictionary
not know the first thing about — (something) to know nothing about something. I don t know why you re asking Alice, she doesn t know the first thing about sports … New idioms dictionary
not know the first thing about something — (not) know the first thing about (something) to not know anything about a particular subject. I don t know why you re asking Rob, he doesn t know the first thing about classical music … New idioms dictionary
not know the first thing about something — not know the first thing about (something) to know nothing about something. I don t know why you re asking Alice, she doesn t know the first thing about sports … New idioms dictionary
not know the first thing about something — not know the first thing/not have the first idea/about something phrase to not know anything about a subject or not have the skills to do something He doesn’t know the first thing about literature. Thesaurus: to not know something or… … Useful english dictionary
not know the first thing about smth — lack basic knowledge about something He doesn t know the first thing about computers … Idioms and examples
know the first thing about something — (not) know the first thing about (something) to not know anything about a particular subject. I don t know why you re asking Rob, he doesn t know the first thing about classical music … New idioms dictionary
know the first thing about — (not) know the first thing about (something) to not know anything about a particular subject. I don t know why you re asking Rob, he doesn t know the first thing about classical music … New idioms dictionary
not to know the first thing about — {v. phr.} To be totally ignorant about a certain issue. * /Al assured us that he didn t know the first thing about Mary s whereabouts./ … Dictionary of American idioms
not to know the first thing about — {v. phr.} To be totally ignorant about a certain issue. * /Al assured us that he didn t know the first thing about Mary s whereabouts./ … Dictionary of American idioms
