"病狗"（sick dog）是一个俚语，用来形容某人身体不适或者情绪低落。这个俚语可能源自于人们常常用"狗"这个字来比喻某人很弱小或者被人欺负。
下面是一些例句：
"I've been feepng pretty sick lately. I think I'm turning into a sick dog."（最近我感觉不太舒服。我想我正在变成一只病狗。）
"She's been a sick dog ever since her break-up with her boyfriend."（她和男朋友分手之后就一直情绪低落。）
"He's been acting pke a sick dog since he got laid off from work."（他被公司裁员后一直心情不好。）
希望这些信息对你有帮助。
下面是一些例句：
"I've been feepng pretty sick lately. I think I'm turning into a sick dog."（最近我感觉不太舒服。我想我正在变成一只病狗。）
"She's been a sick dog ever since her break-up with her boyfriend."（她和男朋友分手之后就一直情绪低落。）
"He's been acting pke a sick dog since he got laid off from work."（他被公司裁员后一直心情不好。）
希望这些信息对你有帮助。