佢語氣或者其他嘢，佢根本就唔能夠基於呢樣嘢作一個標準就係話自己冇-即係判斷自己冇權去監誓。
His tone or something, he simply can't make a standard based on such a thing that he doesn't have — that is, to judge that he doesn't have the right to take the oath.