희생이 · 희생을
sacrifice; loss of life (in an accident or disaster)
Example
많은 사람들의 희생으로 나라를 지킬 수 있었어요.
The country could be defended thanks to the sacrifice of many people.
Word parts
희 sacrifice+생 offering
Originally an animal offered in ancient rituals.
Good to know
Pronounced [히생] — ㅢ after a consonant sounds like [ㅣ].