(~s)
In British English, if you are a ~ at something, you are very good at doing it. (INFORMAL)
She’s a ~ at DIY.
N-COUNT: usu N at n/-ing
(~s)
In British English, if you are a ~ at something, you are very good at doing it. (INFORMAL)
She’s a ~ at DIY.
N-COUNT: usu N at n/-ing
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012