four o'clock
She laughed softly . `` Just a little impetuous , are n't you ? '' `` I should say so , '' he admitted . `` I 'd like to be introduced to her before four o'clock , propose to her this evening , and -- and -- '' `` And what ? '' `` Never mind , '' he concluded , marching on with his head turned towards the clouds . `` Let 's go and sit down upon the Terrace and talk about her . '' `` But , my dear Dicky , '' his sister protested , `` I do n't want to sit upon the Terrace .