This is the 13295th most frequent Korean word.
들였을
" 들였을" means "would have brought in" or "would have spent."
In this sentence, '들였을' comes from the verb '들이다', meaning 'to spend' or 'to put into effort'. It is used to describe the effort spent in the activity.
그는 방을 새롭게 꾸미는 데 많은 시간을 들였을 것입니다.
He must have spent a lot of time redecorating the room.
Here, '들였을' again derives from '들이다', signifying dedicating or putting effort passionately into something.
나는 그 프로젝트에 모든 열정을 들였을 때 큰 만족감을 느꼈다.
I felt great satisfaction when I put all my passion into the project.
The word '들였을' is used in the context of applying creativity thoroughly to create ideas.