yīn / wèi / dāng / zhòng / āi / le / yí / ge / ěr / guāi / zi / tā / gǎn / dào / fēi / cháng / nán / kān

因为当众挨了一个耳掴子，他感到非常难堪。

He felt extremely humiliated after being slapped in public.