Interpretation?

How would she explain it?

She couldn't come up with any evidence to prove her innocence, she ......

Seeing that Dong Guifei couldn't say anything, Su Scarlet couldn't help but smile in her heart.

Dong Guifei always thought that Princess Yunzhen was the biggest bargaining chip in her hand, so she used Princess Yunzhen to frame her every time, the purpose was to kill her.

In fact, Concubine Dong's idea is right, Princess Yunzhen is indeed the biggest ...... in her hands