tougher
参考词典中tougher的常规释义：
基本释义
- [ tough ]的形容词比较级;[ toughly ]的形容词比较级;[ toughness ]的形容词比较级
参考例句
- Being on a varsity team must be tough.
参加大学代表队一定很辛苦。 - He is a tough specimen.
他是一个莽汉。 - A tough all-weather fabric.
一种坚韧的全天候织物 - Painting the ceiling was a tough nut to crack.
油漆天花板是件难事。 - Imitation parchment: Tough grease-proof paper.
充羊皮纸:结实的防油纸。
- Being on a varsity team must be tough.
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