خوشحالشدن — to become happy
Transliteration: khoshhâl shodan
To begin to feel happy.
احساس شادی پیدا کردن.
Examples
بچهها از دیدن مادربزرگ خوشحال شدند.
Bache-hâ az didan-e mâdarbozorg khoshhâl shodand.
The children became happy when they saw their grandmother.