characterized by effort to the point of exhaustion; especially physical effort;
"worked their arduous way up the mining valley"
"a grueling campaign"
"hard labor"
"heavy work"
"heavy going"
"spent many laborious hours on the project"
"set a punishing pace"
punishing的用法和样例:
例句
用作形容词 (adj.)
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。