"Of course we had two sororities before she came, but we weren't at daggers drawn like this.

Mabel has spoiled Bertha, and those two lead everything--the rest are simply sheep." "Humph! Pretty black sheep I should call them," snorted Peachy.
"They're siding with one another now to break rules.

I don't mean candy parties or just fun of that kind, but sneaking things: they're cheating abominably over their exercises, and cribbing each other's translations wholesale.

I found them at it yesterday and told them what I thought about them.

Some of them ought to know better.