Hui Xin Zhu Yi (回心转意), a Chinese idiom with the pinyin huíxīnzhuǎnyì, means to change one's original thoughts and attitudes in order to reconsider. From Zhu Zi Yu Zi (朱子语类-训门人-五).
Heart, intention: mind; back, turn: turn around.
Subject-predicate idiom; used as predicate and determiner; used to eliminate suspicion and reunite.
Example: Ming Zang Mao Zhuan, "Selected Yuan Qu Qu Qu - Sheng Jin Ge": "If you persuade him to change his mind, I will reward you."