不敢越雷池一步

Explanation: Vietnam: cross; perimeter: Lake name, in Anhui Province Wangjiang South. Originally referred not to cross the perimeter. After a certain analogy can not exceed the scope and boundaries. 　　Usage: Complex sentence; for predicate clause; conservative cautious not to describe people 　　Source: Jin Yu Liang, "reported Wenqiao book": "I would worry too much experience at western sun, with a single step no step has been the utmost." 　　Examples: Is used to criticize those who have learned a lot but "~" routinization in the artistic technique of people. (Qin Mu "create a style") Thesaurus:  Lu Gui angle does not, not show one's talent, mark time, a man of great wisdom often appears slow-witted, Deep Ruogu, constraint, King finally careful or cautious about the beginning (of an activity), Jidijutian, Ne made Toshiyuki, Have one's hands tied Beam foot, anxiety, worry, disconcert, hide a multitude of sins => multitude. hide one's ,light under a `bushel hide one's talents, abilities or good qualities because of modesty, etc Antonym Group:  The only way to catch tiger cubs is to go into the tiger's den, Come in person The environment, Allowed gallop, unrestrained (said of disposition) set no limit to, snobbery, Pity only to gas, breadth unruly, bold and generous unruly