Murder will out.57. Set a thief to catch a thief.57. Turn over a new leaf.
纸包不住火。以贼捉贼。洗心革面，改过自新。
He turned over a new leaf.
他洗心革面，重新做人。
I want to settle down, and turn over a new leaf.
我想安顿下来，洗心革面，重新做人。
It was less a reform than a transfiguration.
他这时候与其说是洗面革心，不如说是改头换面。
He was shamed into better ways.
他因惭愧而洗心革面。
He who will reform himself must first reform society.
凡有益改过自新者，必须首先改革社会。
He decided to straighten up and make himself useful to the country.
他决心改过自新，使自己有益于国家。
He was determined to mend his ways and turn over new leaf.
他决心改过自新,重新做人。
He promised to reform himself thoroughly if he was given a chance.
如果给他机会，他答应洗心革面。
Psychological pressure and self-Adjustment of university teacher facing reform;
高校教师面临改革的心理压力与自我调适
Deepen Teaching Reforms and Cultivate Innovative Talents;
以深化教学改革为核心 全面培养创新人才
Faced with this apparently irrefutable evidence,Chloe reluctantly accepts that Cruella really is reformed and that her trust has been sadly misplaced.
面对明显不容辩驳的证据，克洛艾只得承认，克鲁拉的确洗心革面了，她自己也不幸错信了人。
All three had written long, abject articles in The Times, analysing the reasons for their defection and promising to make amends.
他们在《泰晤士报》上发表了冗长的检讨，解剖犯罪的根源，保证革心洗面，重新做人。
To change, as one's attitude or conduct, for the better.
改过一新向好的方面转变，如自己的态度成举止
It was easy to PROMISE reform; indeed he had already promised it.
发誓洗心革面并不难，其实他已经这样做了。
turn over a new leaf
弃旧图新，悔过自新，改过自新：
Case Educational Reform as the Core of Comprehensive Conformity Teaching Resources;
以案例教学改革为核心 全面整合教学资源的新探索
Difficulties Encountered in the Implementation of the New Curriculum Reform in High Schools of Our Province and Measures to Deal with Such Difficulties
我省高中新课程改革实施过程中面临的困难及应对措施