Read it through once

For a moment, with the fear of my sister’s working me before my eyes, I had a desperate idea of starting round the room in the assumed character of Mr. Pumblechook’s chaise-cart. But I felt myself so unequal to the performance that I gave it up, and stood looking at Miss Havisham in what I suppose she took for a dogged manner, inasmuch as she said, when we had taken a good look at each other,—