Idiom

    Has a heart of gold             : very kind

    As hard as nails                 : no sympathy for others

    As good as gold                  : helpful

    A cold fish                       : unfriendly

    An awkward customer           : difficult person to deal with

    A pain in the neck               : difficult/nuisance

    Gets on everyone nerves        : irritates everybody

    Quick of the mark               : fast

    A bit slow of the mark          : slow

    A slow coach                     : slow

    An odd-ball                       : strange

    Over the top                     : very exaggerated/over

    Round the bend                  : absolutely crazy/mad

    Middle of the road              : very normal, standard

    Teacher’s pet                    : student’s favourite by the teacher

    Top of class                      :a real know-all

lk 

a  a big-head : arrogant

a  a lazy-bones : lazy person

   as happy as the day is long : extremely content