Itas very good arduous job 这不是件简略单纯的差事
very arduous
很艰巨的
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It must have been a very arduous task to build the pyramid.
当时建造金字塔肯定是件万分艰巨的事。
youdao
It must have been a very arduous task to build the pyramids.
Workload is very arduous, end up with nothing definite later.
工作量是非常艰巨，后来不了了之。
"Neighbours had thrown him a line to keep him above the surface until we got there, but conditions were very arduous, " he said.
BBC: Teenage boy rescued from sinking sand outside Derry
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