As she puts it, "I used to make either my little sister or my best friend act out these plays with me.

The "big sister" acts as a friend, mentor, and guide, and is a meaningful part of each girl's Castilleja experience.

Brother and sister don't act like grown siblings - they don't endlessly analyze their parents, for instance.

We did a cheap sister act together when they still did sister acts.

His eldest sister acts as the mother of the family.

Even so, her sister hadn't been acting quite like herself from the start.

We should also remember that other brother and sister acts that have been described as unpleasant to torturous by the various participants.

The sister, (Henrietta) suffers a mental break after the gang rape and acts as if she were a child.

Both the young boy's parents were dead, so his older sister acted as his legal guardian.

My sister acted as a witness at my wedding.