Задание
Match the idioms with their definitions
| catnap | the same thing every day |
| copycat | not speaking out of shyness |
| dog days | not to do sth out of fear |
| Groundhog Day | sb imitating what others do |
| cat's got one's tongue | a short nap |
| to have a cow | to get upset or sad |
| nest egg | when it's very hot |
| to chicken out | money saved for the future |