show someone in their true colors
US /ʃoʊ ˈsʌm.wʌn ɪn ðer truː ˈkʌl.ərz/
UK /ʃoʊ ˈsʌm.wʌn ɪn ðer truː ˈkʌl.ərz/
1.
本性を現す, 正体を現す
to reveal someone's true character, especially if it is negative or unpleasant
:
•
The crisis really showed him in his true colors.
その危機は彼を本当に本性を現した。
•
His actions eventually showed him in his true colors to everyone.
彼の行動は最終的に彼を皆に本性を現した。