WHEN Charlotte Hobbs decided to teach her 11-year-old pupil about the imaginary maths needed to work out the square root of a negative number, she knew it would be a stretch.

夏洛特·霍布斯决定教她11岁的生用来计算负数平方根的虚数时，她知道这是一个艰巨的任务。

The controversial incumbent does have challengers. And while they have different ideas on how to run Venezuela, anyone who wins will have a hard job ahead.

有争议的现任总统确实有挑战者。尽管他们对如何管理委内瑞拉有不同的看法，但任何一个赢得选举的人都将面临艰巨的任务。

He is up against a difficult task.

“他的任务非常的艰巨。”

And delivering spare parts becomes a major challenge.

须物品会变成一项艰巨的挑战。

When her mother was interviewed, three weeks after her daughter's birth, she was asked if she was prepared for what might be a daunting task caring for her.

在女儿出生三周后，她亲接受了采访。记者问道，对于照顾她女儿这项艰巨的任务，她是否做好了准备。

Innovating for the future, travel is a huge task and will take time.

创新未来的旅游是一项艰巨的任务，这需要时间。

And it felt like, again, the first one was an accomplished big task, but what Greg and Denis were reaching for here was in some ways, like five times bigger, you know?

我觉得，第一部作品拍摄的完结仿佛是完成了一项艰巨的任务，但从某些方面来说，格雷格和丹尼斯在这部作品中起到的作用，要比第一部大五倍的样子，能明白我的意思吗？

The White House issued a statement saying the government applauded the many courageous young Americans exercising their First Amendment rights, and that keeping children safe is a tough priority of the president.

白宫发表声明说，政府欢迎许多勇敢的美国年轻人行使他们的第一修正案权利，保护儿童安全是总统的一项艰巨任务。

Companies say they`re working hard to verify the source of all the hand mined alltismal cobalt but that it`s a difficult task.

各公司表示，他们正在努力核实所有手工开采的部分钴的来源，但这是一项艰巨的任务。

Picture your success when you're beginning a difficult task.

你面临一项艰巨的任务，试着想象你成功时的画面。

We are all guilty of procrastinating—it's part of daily life in some form or another when faced with daunting tasks or challenges.

我们都会对拖延感到内疚，但我们面对艰巨的任务或挑战时，它会以某种形式成为日常生活的一部分。

It's just 200 days now until the postponed Tokyo Olympics are set to kick off, and that mammoth tasks of planning the games in the middle of the pandemic is only getting harder.

距离推迟的东京奥运会开幕只有200天了，而在疫情期间规划奥运会的艰巨任务只会越来越难。

This would be a very hard job!

这会是一项极为艰巨的任务！

It therefore became necessary to defeat Japan on the battlefield, clearly a formidable task.

因此同盟国定要在战场上击败日本，这显然是一项艰巨的任务。

That is a lot of work – for the dog, that is.

对狗来说，这是一项艰巨的任务。

The idiom to have your work cut out for you describes exactly this situation.

面临着艰巨的任务这个习语正是描述了这种情况。

" But it's still a difficult task because we're fighting against a lot of things."

“但这仍然是一项艰巨的任务，因为我们要对抗很多因素。”

For Mr Biden, the challenge ahead within his party is formidable.

对拜登来说，党内面临的挑战是艰巨的。

African-American voters are facing even more formidable obstacles than usual this year.

今年，非洲裔美国选民面临着比以往更为艰巨的障碍。

It was a Herculean task, akin to being fashion consultant to Steve Bannon.

这是一份艰巨的任务，类似于给史蒂芬·班农时尚顾问一样艰巨。