tough的比较级为：tougher...

tough的最高级为：toughest...

n.粗暴的人，暴徒，恶棍( tough的名词复数 )v.[美国口语]忍耐，忍受，熬过（常与 out连用）( tough的第三人称单数 )...

v.[美国口语]忍耐，忍受，熬过（常与 out连用）( tough的过去式和过去分词 )...

This is the toughest crime bill that Congress has passed in a decade...这是十年来国会通过的最严厉的一项刑事法案。The deities believed that this was the toughest punishment.责令西西弗推石的诸神以为这是对他最严厉的惩罚.He is the toughest military ruler yet and has ...

Jessie kinds of jade toughness, good, green was filamentous, muscle strips parallel.翠丝种翡翠韧性很好, 绿色呈丝状 、 筋条状平行排列.The fracture toughness of the bimetallic interfaces is lower than those of respective counterpart metals.在扩展路...