the scales fall from someone's eyes
US /ðə skeɪlz fɔːl frəm ˈsʌm.wʌnz aɪz/
UK /ðə skeɪlz fɔːl frəm ˈsʌm.wʌnz aɪz/

1.
as escamas caem dos olhos de alguém, perceber a verdade
if the scales fall from someone's eyes, they suddenly understand the truth about a situation, especially when they have been deceived or mistaken before
:
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After years of believing his lies, the scales fell from her eyes when she saw the evidence.
Depois de anos acreditando em suas mentiras, as escamas caíram de seus olhos quando ela viu a evidência.
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It wasn't until I traveled abroad that the scales fell from my eyes about my own culture.
Só quando viajei para o exterior é que as escamas caíram dos meus olhos sobre a minha própria cultura.