物思い
sɛŋqɐqe tɕɐmqidɐ siːŋɡakiː dʒamɡiːdɑː təbi lɒst ɪn θɔːt ɔː sɐŋnjʌm saŋnjəʊm θɔːts slaʃ mjuːzɪŋz
In Korean 생각에 잠기다 (saeng-gak-e jam-gi-da) - To be lost in thought; or, 상념 (sang-nyeom) - thoughts/musings
A pensive state of mind; being lost in thought; contemplation, often tinged with a touch of sadness or nostalgia.
Example
"夕暮れ時、物思いにふけっていた。"