mend your ways的含义不是指“改善你的方式”，其正确的含义是改过自新，改正不良行为。

【例句】
After I got in yet another fight at school, the headmaster told me that I had to mend my ways or else I'd be expelled.
在我又一次在学校打架后，校长告诉我，我必须改过自新，否则就会被开除。

No matter how old you are, there is still time to mend your ways.
无论你多大年纪，仍有时间改过自新。