坚硬: hard, solid...
正宗: orthodox school, traditional, old school, authentic, genuine...
丘陵: hills...
开辟: to open up, to set up, to establish...
这边: this side, here...
宽: wide, broad, loose, relaxed, lenient...
外公: (coll.) mother's father, maternal grandfather...
后备: reserve, backup...
报复: to make reprisals, to retaliate, revenge, retaliation...
高于: greater than, to exceed...
