laborious

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++la·bo·ri·ous /ləˈbɔːriəs/ adjective DIFFICULTtaking a lot of time and effort 费劲的，耗时费力的laborious process/task/business etc Collecting the raw materials proved a long and laborious task. 结果证实采集原料是一项耗时费力的任务。 the laborious business of drying the crops 把收获的庄稼晒干这一艰苦的工作 —laboriously adverb A beetle began to crawl laboriously up his leg. 一只甲虫开始费劲地顺着他的腿往上爬。

Examples from the Corpus

laborious• For Perry, writing is a laborious process.laborious process/task/business etc• Analysts warn that it will be a long, laborious process.• But boiling the grain was a laborious process and produced an unpalatable mush.• Producing these on conventional printers is a very laborious process and the results will only be in black and white.• It is recognised, however, that this would be an extremely laborious task and unlikely to be fulfilled.• Since everyone enjoyed the results of this laborious task, it seemed only fair that everyone participate in their production.• It is a laborious process, likely to lead to embarrassing blunders if badly done.• The laborious processing of the gold involves women, the elderly and children.• Used as an additional resource, a different dimension which adds to an otherwise laborious process, programs can be very effective.