What does the idiom "show true colours" mean?

It’s like the saying don’t judge a book by a cover! That meaning is don’t judge someone before you know them get to know them and the pages that come with them!

Both excellent sayings. If a person is sensitive to vibes given off by a person, you can sense if something isn't right. You see it periodically in nature. Tigers and leopards befriending humans. They can sense the c h aracer

A typo methinks! 😄

Gigi has shown it's true colours as being a cheating two faces dog.

My mom where’s face mask sometimes

Where I' am from we say: "We do not wear such a mask here".

I love this question 😍

one mistake and Achcha karungi

haven't heard of this idiom before... interesting.

Actually this time the picture wasn’t to revealing for the answer thanks

My little sister made me press the wrong one 😭😭😡

i missclick