to give the last measure of devotion
鞠躬尽瘁 .

to suffer for one’s wisdom.
聪明反被聪明误

to harp on the same string.
旧调重弹

what’s done cannot be undone
覆水难收 .

to convert defeat into victory.
转败为胜

beyond one’s grasp.
鞭长莫及

to be severe with oneself and lenient with others.
严以责己宽以待人

a heart of steel.
铁石心肠

to be guided by destiny.
听天由命

pride goes before a fall
骄者必败 .

the supreme art of war is to subdue the enemy
without
不战而屈人之兵

what is bugging you
什么事使你心烦

sworn brother
干兄弟, 盟兄弟

he who has hope has everything.
怀有希望者, 便拥有一切