Anglicko-český slovník
tough (adjective) - tvrdý (houževnatý, tuhé, obtížné, nesnadné)
				Výslovnost:
				United Kingdom: [tʌf] 
				United States: [tʌf] 
				Příklady použití:
				- It is a tough job to canalize.
 - Cycloid is tough and eager to fight.
 - He is tough, unforgiving and unyielding.
 - It was especially tough for the students to calibrate.
 - It was the tough sectional final losses.
 - It's a tough, thankless job betimes.
 - Minami is the tough guy of the group.
 - The discipline was tough and the pay was poor.
 - The prescription is easy but the implementation tough.
 - If the language was coarse and unseemly as a result, tough.