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

1.
让某人认识到真相, 使某人开眼界
to make someone realize the truth about a situation, especially a difficult or unpleasant one, that they had not understood or known before
:
•
Traveling abroad really opened my eyes to different cultures.
出国旅行真的让我大开眼界,了解了不同的文化。
•
The documentary opened her eyes to the harsh realities of poverty.
这部纪录片让她认识到贫困的残酷现实。