Showed his colours - Idioms by The Free Dictionary
show (one's) (true) colours (redirected from showed his colours)
show (one's) (true) colours
To reveal what one really believes, thinks, or wants; to act in accordance with one's real personality, character, or disposition. Primarily heard in UK. Dave said all along that he only wanted this deal because it was in the company's best interest, but he showed his true colours once he realised that he wouldn't get any special commission for his efforts. It's only in times of crisis that your friends will really show their colours.
References in periodicals archive
The men followed protocol and kept politics out of the election year ceremony, but George Bush Snr showed his colours
with red, white and blue socks.
The Scotland front man showed his colours
to 60,000 French fans at the Stade Velodrome in Marseille on Friday night as the hosts kicked off their campaign with a 3- 0 win over South Africa.
ROCKER Rod Stewart showed his colours
in the Mediterranean sun yesterday, when he took cover under a Henrik Larsson towel.