Dictionary
Words, grammatical forms and meanings linked to the ontology.
open someone's eyes en · VERB
Pronunciation
Meanings
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(idiomatic) To make someone aware of something they did not know or fully understand before; to enlighten someone.
Visiting Africa opened my eyes to what it is like living without clean water.
I have to admit that Merseyside was the one area of the railway I had little experience of until this year, but two visits […] have opened my eyes to what is an incredibly well-run network, with such friendly staff and locals.
2023 July 26, Pip Dunn, “Merseyrail '777s' are OK for commuters”, in RAIL, number 988, page 61:
Forms
Relateds
scales fall from someone's eyes · eye-opener