따르릉 + 울리다
ring-ring, brrring (phone, bell)
Example
아침 일찍 전화벨이 따르릉 울렸어요.
Early in the morning, the phone rang.
Word parts
의성어 (sound word) for the ringing of an old-style telephone or alarm clock.
Good to know
Also the classic bicycle bell, as in the children's song 따르릉 따르릉 비켜나세요.
Related words