Dog eats dog...
Christopher felt displeased with the metaphor.
If Wendy was a dog, then what did that make him?
Yet even though he was displeased, he didn't make a sound.
If Amelia had indeed been framed and slandered, then her calling the other party a "dog" indeed didn't seem like much.
"Wendy has been obedient since she was young, and I don't know when she changed," Christopher didn't want to make excuses for his sister; he was merely stating a fact.
Amelia came to her senses, her face showing some excitement, "So, you think I've had bad character since I was a child? After the incident happened, I explained, but your parents didn't believe me! Including you... You didn't accuse me of anything, but you became distant from me..."
Seeing her emotional state, as if years of grievances were finally being understood, Christopher frowned and stepped forward two steps involuntarily, "So, it really was them who framed you..."