名詞 tough:

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

形容詞 tough:

1. not given to gentleness or sentimentality
2. very difficult; severely testing stamina or resolution
   同義詞：rugged
3. physically toughened
   同義詞：toughened
4. substantially made or constructed
   同義詞：sturdy
5. violent and lawless
   同義詞：ruffianly
6. feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')
   同義詞：bad
7. resistant to cutting or chewing
8. unfortunate or hard to bear
   同義詞：hard
9. making great mental demands; hard to comprehend or solve or believe
   同義詞：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.
   面對這樣的指責(zé)，許多人都會辭職的，然而他卻留下并硬是挺了過來。
2. The company faces tough competition.
   這家公司面臨著艱難的競爭。
3. We won the contract but only through a lot of tough negotiating.
   我們贏得了合同，但是卻經(jīng)過了多次不屈不撓的談判才達到目的。