Her rather tough and worldly exterior hides a very soft and sensitive heart.

她那相当坚强而世故的外表下掩藏着一颗非常柔软敏感的心。

《柯林斯英汉双解大词典》

Conditions are rather tough here.

这里条件比较艰苦。

《新英汉大辞典》

This meat is rather tough; you have to chew it for a long time.

这肉很硬，你必须咀嚼它很长时间了。

youdao

"If I could get done what I think needs to get done in four years, even if it meant that I was only president for four years, I would rather be a good president taking on the tough issues for four years, than a mediocre president for eight years,".

VOA: standard.2009.03.19

I rather suspect if J. J. hadn't gotten his Nobel, it probably would have been tough for Rutherford to get one since some of these guys stood on the committees.

我认为如果J。J没有得到诺贝尔奖，那么这也会是一件很困难的事,对卢瑟福来说的话,因为他们中的一些人和委员会的是一致的。

麻省理工公开课 - 固态化学导论课程节选

It's tough mentally, rather than physically.

BBC: Augusta sends a chill down your spine

It takes courage to break from the norm, challenge the status quo, seek new opportunities, cut your losses, make the tough decision, listen rather than speak, admit your faults, forgive the faults of others, not allow failure to dampen your spirit, stand for those not capable of standing for themselves, and to remain true to your core values.

FORBES: 15 Ways To Identify Bad Leaders

It takes courage to break from the norm, to work in collaboration not isolation, challenge the status quo, seek new opportunities, cut your losses, make the tough decision, listen rather than speak, admit your faults, forgive the faults of others, not allow failure to dampen your spirit, stand for those not capable of standing for themselves, and to remain true to your core values.

FORBES: Every Great Leader Has This Quality - Do You?