laborious

adj.

费力的；勤劳的；辛苦的；

1. Her work is a laborious task.
   她的工作很艰苦。
2. Cleaning the forest is a laborious business.
   清理树林是份艰苦的差事。
3. He has a laborious style of writing.
   他的文笔不流畅。
4. Checking all the names was a slow, laborious job.
   核对全部名字是件既慢又费劲的事。

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