Relier Pairs IdiomsVersion en ligne Match the idiom with the correct picture. par Karla Izquierdo 1 A pig with lipstick, is still a pig 2 As mad as a hatter 3 As red as a beetroot 4 Once in a blue moon 5 All that glitters is not gold 6 Costs an arm and a leg 7 A chip off the old block 8 To hear something straight from the horse's mouth 9 Barking up the wrong tree 10 Apple of my eye