show in true colours



show somebody in their true colours

  (British & Australian) also show somebody in their true colors (American & Australian)
to show what someone's real character is, especially when it is unpleasant By showing the terrorists in their true colours, the government hopes to undermine public support for them.
See also: colour, show, true

Common Names:

NameGenderPronouncedUsage
Jothi-Tamil
Calanthekə-LAN-theeEnglish (Rare)
Bonifacybaw-nee-FAH-tsiPolish
Dolly['dɔli]
Egan['i:gən]
Hrodger-Ancient Germanic