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