Meaning of show one's true colours in English:

show one's true colours

phrase

  • Reveal one's real character or intentions, especially when these are disreputable or dishonourable.

    ‘she was only too anxious to get out of the room now that her employer had shown his true colours’
    • ‘In some ways it's a real blessing that Bill showed his true colors relatively early in our relationship.’
    • ‘There is effective suspense, sure, but the villains are clearly defined, and any ambiguous characters immediately show their true colors.’
    • ‘Polly starts out as an innocent young woman swept away by the romance of a wedding, but soon shows her true colours by taking over her husband's old firm of gangsters as soon as he is out of the way.’
    • ‘Often, they pretend to be friendly at first before showing their true colours by playing a malicious trick.’
    • ‘It was as if he was showing his true colours to my mum.’
    • ‘Here is the current President of the United States showing his true colours.’
    • ‘However Burren showed their true colours and managed to beat Mayobridge by six points.’
    • ‘For me, he showed his true colours when he refused to step down from the Labour Party.’
    • ‘When he tried to overthrow the democratically elected government in 1992, he showed his true colors.’
    • ‘Unexpectedly friendly at first, he soon starts to show his true colours as a loud-mouthed bully with psychopathic tendencies.’