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"
laborious的用法和样例:
例句
用作形容词 (adj.)
Her work is a laborious task. 她的工作很艰苦。
Cleaning the forest is a laborious business. 清理树林是份艰苦的差事。
He has a laborious style of writing. 他的文笔不流畅。
Checking all the names was a slow, laborious job. 核对全部名字是件既慢又费劲的事。