hangdog
🇺🇸
/ˈhæŋdɔːɡ/
🇬🇧
/ˈhæŋdɒɡ/
A person or their expression looks sad and ashamed, often with their head down.
The hangdog look on his face showed he was sorry for what he had done.
他脸上那副垂头丧气的表情显示出他对所做的事感到抱歉。