tough

名词 tough:

1. someone who learned to fight in the streets rather than being formally trained in the sport of boxing
   同义词：street fighter
2. an aggressive and violent young criminal
   同义词：hood, hoodlum, goon, punk, thug, toughie, strong-armer
3. a cruel and brutal fellow
   同义词：bully, hooligan, ruffian, roughneck, rowdy, yob, yobo, yobbo

形容词 tough:

1. not given to gentleness or sentimentality
2. very difficult; severely testing stamina or resolution
   同义词：rugged
3. physically toughened
   同义词：toughened
4. substantially made or constructed
   同义词：sturdy
5. violent and lawless
   同义词：ruffianly
6. feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')
   同义词：bad
7. resistant to cutting or chewing
8. unfortunate or hard to bear
   同义词：hard
9. making great mental demands; hard to comprehend or solve or believe
   同义词：baffling, knotty, problematic, problematical

1. A lot of people would have resigned in the face of such accusations, but he stayed and toughed it out.
   面对这样的指责，许多人都会辞职的，然而他却留下并硬是挺了过来。
2. The company faces tough competition.
   这家公司面临着艰难的竞争。
3. We won the contract but only through a lot of tough negotiating.
   我们赢得了合同，但是却经过了多次不屈不挠的谈判才达到目的。