It was a long, arduous task, completed on foot and using boats.

这是漫长又艰辛的过程，靠脚力与小船的协助完成。

It's a very difficult task or it's an arduous task.

这是一项非常困难的任务，或者是一项艰巨的任务。

Secondly, adapting to cultural differences can be an arduous task.

其次，适应文化差异可能是一项艰巨的任务。

Next came the arduous task of classifying the vocal patterns of bat pups.

接下来是对蝙蝠幼崽的声音模式进行分类的艰巨任务。

However, even with these advancements, students sometimes still find statistics to be an arduous task.

然而，即使有了这些进步，学生们有时仍然觉得统计是一项艰巨的任务。

Protecting the environment and improving the environment is a long and arduous task.

保护环境和改善环境是一项漫长而艰巨的任务。

And so the arduous task of getting someone to commit to something that had anything to do with my life was very frustrating.

因此，让别人去用心讲述与我的生活有任何关系的事情，真的是个艰巨任务，过程非常令人沮丧。

It is optimism, rather than genius or extraordinary abilities, that inspires us to finish an arduous task.

是乐观而不是天赋或卓越的才能，在激励我们完成艰巨的任务。

It is optimism, rather than genius and extraordinary abilities, that inspires us to cope with any arduous task.

是乐观而不是天赋或卓越的才能，在激励我们完成艰巨的任务。

Lizzie herself, on the day in question, was engaged in a more arduous task than the study of the morning's news.

莉齐本人，在所讨论的那一天，正在从事一项比研究早间新闻更艰巨的任务。

The once arduous task of cleaning clothes by hand was taken on by a machine and freed up more time for other activities.

曾经繁重的手工清洗衣服的任务现在由机器承担，从而腾出更多时间进行其他活动。

One of the first lessons that I learned immediately followed the painful and arduous task of learning how to walk again, but it went on to pay dividends for the rest of my life.

我最早学会的一课伴随着重新学走路这项痛苦而艰巨的任务，不过我的余生都从中受益。

In the first ages, it was a work of long time;months, sometimes years, were devoted to the arduous task of disabusing the mind of the incipient Christian of its pagan errors, and of molding it upon the Christian faith.

在最初的时代，这是一项长期的工作；花费数月，有时甚至数年的时间来完成一项艰巨的任务，即消除初信基督教徒的异教错误，并将其塑造成基督教信仰。