You use ~ to refer to someone who offers help to someone, or who takes part in a particular activity, only when it is easy or pleasant for them to do so.
...a ~ friend.
ADJ: ADJ n disapproval
You use ~ to refer to someone who offers help to someone, or who takes part in a particular activity, only when it is easy or pleasant for them to do so.
...a ~ friend.
ADJ: ADJ n disapproval
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012