àn / zhào / dāng / dì / xí / sú / shǒu / sāng / qī / jiān / bù / néng / cān / jiā / xǐ / qìng / huó / dòng

按照当地习俗，守丧期间不能参加喜庆活动。

According to local custom, one cannot attend festive events during the mourning period.