operose中文什么意思

adj.
费了力气的，下了工夫的；费力的；繁忙的；勤快的；用功的。

英文释义

形容词

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"
   同义词：arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, punishing, toilsome