gǔ / dài / huà / xiàng / zhōng / de / rén / wù / cháng / cháng / luǒ / tǎn / shàng / shēn / yǐ / xiǎn / shì / yǒng / wǔ古代画像中的人物常常裸袒上身,以显示勇武。People in ancient portraits are often shown bare-chested to convey bravery.