He was confused about something--all these same people had previously attended press conferences where nothing but Taiwanese was spoken, and while some people couldn't really under stand it very well, hadn't everyone given it their best shot?
他不懂的是，以前他們也曾參加過全場用台語發言的記者會，儘管有人一知半解，大夥兒不也耐心聽完了嗎？