Explanation: Pocket: around, extended to include; belly: an animal's stomach. Including the stomach with the intestine. Analogy with the processing everything. Source: Lu Xun's "Diary" to eat a few chopsticks, slippery fish do not know who put his intestines Doudu even spit. " Examples: Eat a few chopsticks, slippery fish do not know who put him ~ the spit. (Lu Xun's "Diary of a Madman")