Think about how tough it is to get together 15 people, much less 50, who all get along perfectly.

想想把15个人聚集在一起有多困难，更不用说50个彼此关系很好的人了。

youdao

Compared to traveling, such social practice connects us and makes us learn how tough our parents are.

与旅行相比，这种社会实践将我们联系在一起，让我们了解到我们的父母是多么的坚强。

youdao

So, how tough is the new test?

那麽，新讬福考试有多难呢？

youdao

Phan says when shoppers see empty storefronts, it reminds them how tough the economic environment is and they feel less inclined to buy.

VOA: standard.2009.12.20

One that seems to be in fashion these days, although you never know how long the fashion lasts, is: internal uprisings that somehow these monarchical areas, when life got tough, the people must have risen up against them.

有一个理论现在很流行,虽然不知道流行了多久,那就是认为,这些王国中起义的内部原因是,当民生困苦时,人们就必然奋起反抗

耶鲁公开课 - 古希腊历史简介课程节选

Author,educator and environmental activist Bill McKibben offers some advice in his new book on how to live on what he calls our "tough new planet."

VOA: standard.2010.04.21

The EU has proven how tough it can be in enforcing its antitrust laws.

FORBES: The Upcoming Data Protection Crunch: EU Proposals Raise the Ante for Non-Compliant Companies

So no matter how tough things get, this is not a country that quits.

WHITEHOUSE: Remarks by the President at Campaign Event

Can you imagine how tough that would be and how scared they might be?

WHITEHOUSE: Take Our Daughters and Sons to Work Day 2012