Relier Pairs IDIOMS. COLORSVersion en ligne IDIOMS. COLORS par María Marteles 1 Caught red-handed 2 Take the red eye 3 To have a green thumb 4 To be a black sheep 5 Green with envy 6 Gray area 7 Out of the blue 8 To be tickled pink 9 To tell a white lie 10 Once in a blue moon a late night flight that arrives early in the morning randomly, without warning, surprisingly to be extremely pleased to catch someone in the act of doing something to be the outcast, odd one out, unlike the others to be very jealous, envious very rarely a small lie that is told to be polite or avoid hurting someone’s feelings to be skilled at gardening something that is unclear, undefined