zài / gǔ / dài / sāng / lǐ / zhōng / qīn / shǔ / yào / tǎn / miǎn / yǐ / shì / āi / dào

在古代丧礼中，亲属要袒免以示哀悼。

In ancient funeral rites, relatives would bare their left arm and remove their cap to express mourning.