a gang of young toughs 一帮年轻的恶棍
Many methods have been developed. One of the most successful methods is to cure epoxy resin by using tough curing agent contained soft segments component.
环氧树脂的增韧改性方法很多,采用分子结构中含柔性链段的固化剂,固化并增韧环氧树脂的方法,具有环氧树脂的力学性能受影响小,工艺简单,加工方便等优点。
参考来源 - 环氧树脂柔性固化剂的合成及其固化反应动力学研究·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: street fighter
"a tough character"
"the competition was tough"; "it's a tough life"; "it was a tough job"
同义词: rugged
"the tough bottoms of his feet"
同义词: toughened
"a tough all-weather fabric"; "some plastics are as tough as metal"
同义词: sturdy
"tough street gangs"
同义词: ruffianly
"he was feeling tough after a restless night"
同义词: bad
"a tough break"
同义词: hard
以上来源于: WordNet
ADJ A tough person is strong and determined, and can tolerate difficulty or suffering. 坚强的
He built up a reputation as a tough businessman.
他树立起了一个坚强生意人的名声。
toughness N-UNCOUNT 坚强
Ms. Potter has won a reputation for toughness and determination on her way to the top.
波特小姐在奋斗到顶层的过程中赢得了坚强和果断的名声。
ADJ If you describe someone as tough, you mean that they are rough and violent. 粗暴的
He had shot three people dead earning himself a reputation as a tough guy.
他已开枪打死了3个人,为自己赢得了一个硬汉的名声。
ADJ A tough place or area is considered to have a lot of crime and violence. 治安很差的
She doesn't seem cut out for this tough neighbourhood.
她似乎不适合这个治安很差的社区。
ADJ A tough way of life or period of time is difficult or full of suffering. 艰苦的
She had a pretty tough childhood.
她度过了一个非常艰苦的童年。
ADJ A tough task or problem is difficult to do or solve. 困难的
It was a very tough decision but we feel we made the right one.
这是一个非常困难的决定,但我们觉得自己做出了正确的选择。
ADJ Tough policies or actions are strict and firm. (政策或行动) 强硬的
He is known for taking a tough line on security.
他以在安全方面采取强硬路线而闻名。
ADJ A tough substance is strong, and difficult to break, cut, or tear. (物质) 坚硬的
In industry, diamond can form a tough, non-corrosive coating for tools.
在工业中,钻石可以制成工具上的一层坚硬且耐腐蚀的涂层。
ADJ Tough meat is difficult to cut and chew. (肉) 嚼不动的
The steak was tough and the peas were like bullets.
牛排硬得嚼不动,豌豆就像子弹。
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