C90 Deliberately pretending to be deaf and dumb

That was why when Gu Xiaohua saw Yu Qin and Pan Wuneng doing that in the carriage, they were about to report it to the Zheng General, but Zhang Wei stopped them.

What good would it do them to tell the Zheng General? Maybe the Zheng General already knew and pretended to be deaf and mute that it would be him who would suffer a loss after the report. Even if the Zheng General didn't know