| (i) | the Monday morning blues | sadness or depression after a weekend of fun |
| (ii) | go red in the face | feel embarrassed/angry/ashamed |
| (iii) | look green | feel very sick, as if about to vomit |
| (iv) | the red carpet | a special welcome |
| (v) | blue -blooded | of noble birth or from a royal family |
| (vi) | a green belt | land around a town or city where construction is prohibited by law |
| (vii) | a black guard | a dishonest person with no sense of right or wrong |
| (viii) | a grey area | an area of a subject or a situation where matters are not very clear |
| (ix) | a white flag | a sign of surrender or acceptance of defeat; a wish to stop fighting |
| (x) | a blue print | a photographic print of building plans; a detailed plan or scheme |
| (xi) | red -handed | in an unlawful act; while doing something wrong |
| (xii) | the green light | the sign or permission to begin an action |
