bié / bǎ / rén / jiā / dàng / èr / bǎi / wǔ / xiān / tīng / ting / tā / wèi / shén / me / zhè / yàng / zuò

别把人家当二百五，先听听他为什么这样做。

Do not treat him like an idiot; first hear why he did it this way.