“a dog's dinner”表示“一团糟；乱七八糟”。据说是因为厨房发生一场灾难，饭菜做得一级难吃，最后只能把做得一团糟的食物丢给狗狗吃。

【例句】
I really need to clean out my closet—it's starting to look like a dog's dinner in there.
我真的需要清理一下我的壁橱——里面看起来一团糟。

He made a real dog's dinner of that job.
他工作做得乱七八糟。