your true coloursif you show your true colours, you do something which shows what your real attitudes and qualities are, especially when they are bad 本性，本来面目show/reveal your true colours He was forced to reveal his true colours when asked how he would vote. 当被问到他会如何投票时，他就被迫现出了本来面目。
show/reveal your true colours• Archer is proof of the adage that when people write fiction, they show their true colours.• Well, it hadn't taken him long to show his true colours!• I didn't show my true colours until they made me chairman.
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