open someone's eyes
US /ˈoʊpən ˈsʌmˌwʌnz aɪz/
UK /ˈoʊpən ˈsʌmˌwʌnz aɪz/

1.
눈을 뜨게 하다, 깨닫게 하다
to make someone realize the truth about a situation, especially a difficult or unpleasant one, that they had not understood or known before
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Traveling abroad really opened my eyes to different cultures.
해외여행은 정말로 나에게 다른 문화를 깨닫게 해주었다.
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The documentary opened her eyes to the harsh realities of poverty.
그 다큐멘터리는 그녀에게 빈곤의 가혹한 현실을 깨닫게 해주었다.