蝉腹龟肠

Explanation: The ancients considered only drink dew cicadas, turtles as long as the drinking water. Analogy to the extreme hunger. 　　Usage: Joint type; as the predicate attribute; metaphor hungry or poor 　　Source: "Southern Qi Shu Wang Sengqian Biography": "cicada belly turtle intestine, for the day long, hungry tiger can be scared, people suddenly with flesh; hunger Lin does not bite, who drop Mao?"