adj.变顽强的；坚韧不拔的；不屈服的；（经过痛苦）磨练的，铁石心肠的，冷酷的
They had fought hard for equal rights. 他们为了获得平等权利已经进行了顽强的斗争。
However, in a long hard season, character counts for a lot. 然而在漫长的一个赛季中，顽强的性格相当重要。
