the light of somebody’s life
US /ðə laɪt əv ˈsʌmˌbɑdiz laɪf/
UK /ðə laɪt əv ˈsʌmˌbɑdiz laɪf/

1.
a luz da vida de alguém
a person who is extremely important to someone and makes them feel happy and complete
:
•
His granddaughter is the light of his life.
A neta dele é a luz da vida dele.
•
After they adopted the child, she became the light of their life.
Depois que eles adotaram a criança, ela se tornou a luz da vida deles.