operose

  • adj.费力的;刻苦的;困难的
operoseoperose

adj

1
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
Synonym: arduous backbreaking grueling gruelling hard heavy laborious punishing toilsome

数据来源:WordNet