Place it after the reveal, then follow with Oh My God Wow for the escalation and No No Wait Wait when the argument keeps going, keeping this clip as the turning point before the reaction settles.
关于此声音
This is a short Portuguese voice clip lasting about three seconds, in which a speaker delivers the line Eu não me conformo with firm, incredulous emphasis. It gives the listener a blunt sense of disbelief and stubborn refusal, as if the speaker has heard something unacceptable and will not let it pass.