BETRAY

(SHOW) [verb] [T] - to show (feelings, thoughts or a particular characteristic) without intending toIf he is nervous on stage, he does not betray it.Although she often seems quite cold and harsh, her smiling eyes betray her true nature.He wanted to write an emotive novel, but the book betrays too much anger to be effective.The simple, linear style in which she paints betrays a mixture of influences.