Have a change of heart
改变主意或态度，通常从负面转向正面。
用于描述个人观点或决定发生转变的场合。
英文释义
Changed your mind
例句
He had a change of heart and decided to support the project after all.
典故来源
源自《圣经》中“心”象征情感和意志，改变心即改变想法或立场。