taking a lot of time and effort 耗时费力的；辛苦的 a laborious task/process 艰巨的任务；艰难的过程 Checking all the information will be slow and laborious. 查看所有的信息既费时又费力。 🔊🔊
Oxford Collocations DictionaryLaborious is used with these nouns:- process
- task
Word Originlate Middle English (also in the sense ‘industrious, assiduous’): from Old French laborieux, from Latin laboriosus, from labor ‘labour’.