翻译成“心软”是合适的。又如:
She melted at his kindly words. 听了他的话语,她就心软了。
He only has to look at her, and she melts. 他只要看着她,她的心就软了。
My heart just melted when I saw her crying. 我看到她哭就心软了。
His heart melted when he heard about her problems. 听了她的困难后,他的心软了。
He’d been going to refuse but his heart melted when he saw the children’s faces. 他本来要拒绝,可看到孩子的脸时,他就心软了。