胡萝卜炖小白兔
[hú luó bŭ dùn xiăo bái tù]
The phrase 'Hu Luo Bo Dun Xiao Bai Tu' is humorous, meaning 'carrot stewed with little white rabbit'. It implies something implausible or nonsensical that contradicts common knowledge because typically rabbits eat carrots rather than being cooked with them.