become very angry
see red
hurt beaten and injured
black and blue
be born into a rich family
born with a silver spoon in one's mouth
this idiom means "to owe money"
in the red
suddenly, unexpectedly
out of the blue
be in a terrible mood
have the blues
this idiom means "soooometimes, rarely"
once in a blue moon
be a good gardener
have a green thumb
not knowing anything
in the dark
this idiom means "to reveal your real character"
true colours
very jealous
green with envy
incredible chance
golden opprotunity
very shy
beet red
very different from others, of a bad quality
black sheep
say untrue things because you don't want to hurt sb with the truth
white lie
catch sb with smth he/she has done
catch sb red-handed