No doubt he imagined me perfect, and society would have cruelly undeceived him.

They were soon to be cruelly undeceived.

However, we were soon cruelly undeceived.

We still believed that we would contrive to get back somehow sooner or later, but were soon cruelly undeceived.

I must confess that the end he seemed to propose to himself was great and beautiful; but the day before yesterday I was cruelly undeceived.