concerned for (someone)

Translations
обеспокоенный за кого-то
He is concerned for his friend's safety.
Он обеспокоен безопасностью своего друга.
Definitions
Feeling worry or anxiety about someone's well-being or situation.
Words
concerned

adjective
обеспокоенный
for

preposition
о
someone

pronoun
кто-то