long and difficult and making you work hard so you become very tired 艰难持久的;令人筋疲力尽的 The President has a punishing schedule for the next six months. 总统今后六个月的工作日程十分繁忙。 a punishing exercise regime 艰苦的训练规划
Oxford Collocations DictionaryPunishing is used with these nouns:- schedule