1, pronounced yó u yuyu. In which: Cup: Pinyin: yóu, radical: Tian, and strokes: 5. Ancient times were the same as "you". Guangdong, Guangxi, Hong Kong and Macao dialects mean cockroaches; Li: Pinyin: Yu, radical: Yue, external strokes: 1, total number of strokes: 5. Get something.

2, waste, also known as waste, namely cockroaches, cockroaches or cockroaches, commonly known as tea women, oil thieves, vendors, stoves, etc.; In the ancient book Erya, cockroaches are called cockroaches, sweet ladies and negative films. In materia medica, it is called the stone ginger worm.

In addition, poking nails is one of the means used by the hostess to punish her adopted son in the old society. Her fingers are connected together, which shows her mind. It is an insult to tell others or groups what to do.