1-The speaker, praised for her style yet ridiculed for vacuity, typically moved naive listeners with rhetoric alone and led them to believe that her speech had substance. 2-Hayley Mills's films have been named treacly, although most of them are not so sentimental so as to deserve that description. I was so happy to find this — The first (with an over-use of words) describes a person whose is thin in substance [vacuity = emptiness] and those whoever were less sophisiticated were easily swayed by the force of the words over the real vaule or substance of them The second means that the films are very saccharrin or sweet [treacly; treacle is a very sweet dessert tha any can't handle over to the super-sweetness of it] but if one really looks into the films, they are not that sentimental or unrealistinc [this is mostly a description of 'Pollyanna']
The hunt is on for a maniac who leaves a trail of dead after escaping from an asylum. Starring Hayley Mills in her last British feature film for many years, . . .