laborious

美音音标: [lə'bɔːriəs] laborious
英音音标: [lə'bɔːriəs] result.0.expl|add:"

同义
grueling gruelling hard heavy laborious toilsome punishing operose arduous backbreaking
词性
s
解释
characterized by effort to the point of exhaustion; especially physical effort
示例
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