not to know the first thing about something
1not 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 …
2not 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 …
3know 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 …
4not 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… …
5not 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 …
6not 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 …
7know 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 …
8not know the first thing about — To know nothing about • • • Main Entry: ↑first * * * have not the slightest idea about (something) * * * not know the first thing about : to have little or no knowledge about (something or someone) I don t know the first thing about… …
9not know the first thing about smth — lack basic knowledge about something He doesn t know the first thing about computers …
10not have the first idea 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… …
