guard (someone's) heart

Translations
беречь (чьё-то) сердце
She was trying to guard her heart from getting hurt again.
Она пыталась уберечь своё сердце от новой боли.
Definitions
To protect someone's emotions or feelings from being hurt, often by being careful with words or actions; can also mean to be cautious about letting someone become emotionally vulnerable or attached.
Words
guard

verb
оберегать
someone

pronoun
кого-то
is

functional word
есть
heart

noun
сердце