She walked on, not quickening her pace--of what use was that?--but picturing what was about to happen as if she had the full certainty that the man behind her was her father; and along with her picturing went a regret that she had given her word to Mrs. Meyrick not to use any concealment about him. 
She walked on, not quickening her pace - of what use was that? - but certain that the man behind her was her father. 