thaw (someone's) heart

Translations
растопить (чьё-то) сердце
His kindness helped to thaw her heart.
Его доброта помогла растопить её сердце.
Definitions
To cause someone who is emotionally cold, distant, or unfeeling to become warmer, more compassionate, or more open emotionally.
Words
thaw

verb
растопить
someone's

article or possessive pronoun
чьё-то
heart

noun
сердце