A ~ schedule, activity, or experience requires a lot of physical effort and makes you very tired or weak.
He claimed his ~ work schedule had made him resort to taking the drug...
ADJ: usu ADJ n
A ~ schedule, activity, or experience requires a lot of physical effort and makes you very tired or weak.
He claimed his ~ work schedule had made him resort to taking the drug...
ADJ: usu ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012