You have to keep encouraging them and checking on them. Just like Danny, for some children, getting them to go to school is the toughest thing.

你要一直鼓励他们并检查督促他们。就像丹尼一样，对一些孩子而言，让他们坚持上学是最难的事情。

youdao

He faces the toughest test of his leadership so far.

他面临迄今为止对自己的领导工作最严峻的考验。

《牛津词典》

This is the toughest crime bill that Congress has passed in a decade.

这是十年来国会通过的最强硬的有关犯罪的议案。

《柯林斯英汉双解大词典》

As long as I've been here this is the toughest thing that's ever happened to this city and I want to urge everybody out there to give whatever you can - as little as you can or as much as you can - to give something because there's a lot of people really hurting right now.

VOA: special.2010.05.17

That has to count as the toughest day, not only in my career, but also in the history of that particular presidency.

那可以算得上是最艰难的一天，不仅在我的职业生涯里，在总统任期的历史中,也是最艰难的一天吧。

普林斯顿公开课 - 国际座谈会课程节选

What was the most difficult day for you as Chief of Staff and the most joyous day, and the toughest assignment President Bush gave you?

作为白宫办公厅主任,最艰难的一天是哪天,最高兴的又是哪天，还有布什总统派给你的,最难的任务是什么？

普林斯顿公开课 - 国际座谈会课程节选

There are great returns to be made in retail, but it is the toughest asset class.

FORBES: China Is Poised To Top Japan, Australia Among Int'l Commercial Property Investors In Asia

The toughest nut to crack here is the role of government in providing health care.

FORBES: What's a politician to do?

Those exchanges are some of the toughest, most candid, spirited discussions that I have.

UN: Secretary-General