With the opposing sides facing off two meters apart from each other, commands given through a bullhorn would have gotten carried away by every gust of wind, causing the two sides to get out of synch.
也因對峙的村民相隔兩米遠，即使他對著麥克風大喊口令，但一陣風過來，聲音就飄走了，導致兩邊動作有落差。