show one's true colors片语

KK [ʃo wʌnz tru ˋkʌlɚz] /ʃoʊ wʌnz tɹu ˈkʌlɚz/

片语

1
露出真面目、原形毕露、现出本性多含贬义
He showed his true colors the moment the money ran out.
钱一花光，他就露出了真面目。