一发千钧

Explanation: Hair hair; Jun ancient unit of weight, combined three pounds. May seem supremely dangerous weight suspended from a hair. Compared the situation extremely critical. 　　Usage: Predicate; as predicate, attributive; likened the situation extremely critical 　　Source: "Han Mei Cheng Biography" by a ray of either husband, Department of supremely heavy and the suspension Promise high, drooping ominous deep, although a very humble person, I still know sorrow it will never have. "Han Yu" and the Meng Shang book "The crisis lead a round of crushing." 　　Examples: International hereby ~, country people should stand by the Chi, do everything they can express their views. ★ Lu Xun's "Janus-faced set of sediment in the surge of" 　　Story: Han Yu, the word retire, Nanyang Tang Dengzhou who was the great writer, advocate, said the text to set Road to retro revolution, in prose instead of prose, impact and future generations was very large, so there is text after generations of decline of the credit, he was opposed to Buddhism, Emperor Xian Zong Korea to send envoy to go to meet the pagoda, the table dissuade him, offended the emperor, was demoted to go when the provincial governor's officer of Chaozhou, Chaozhou, he met an old monk, The and Shang Congming up to management, and Han Yu was able to talk to, and Han Yu and few friends in Chaozhou, so the monk and the closer contact, so people outside of the legend of Han Yu also believe Buddhism. His friend Meng Jiao (several channels), then doing the Book of History, is Buddhist. Also to offend Kenso Emperor was banished to the state of Kyrgyzstan. To the Kyrgyz state, he also heard the legend of the people that have the letter from the Buddha to Han Yu, he was somewhat puzzled, because he knows that Han Yu is the most power against the beliefs of people, for which he specially wrote a letter to ask Han Yu. Meng Han Yu received a letter a few Road, between the monk that he only arouse misunderstanding occurred, immediately wrote back to Bangladesh to explain a few Road. Moreover, Han Yu was moving in a group of ministers who believe in Buddhism, Confucianism, Taoism does not keep blindly take superstition to confuse the Emperor, much to be criticized. He alienated the emperor sage, so that Confucianism fall, quite indignant. If such a letter: "a state of disaster, with the loss of chaos with a total crushing crisis a round of lead ... ..." This is the metaphor one thing, to a very dangerous situation, like a hair, tied an extremely heavy weight. Now most people they encounter the most dangerous things, they take these words to describe. This is the idiom, see Meng-Han Yu to the Book of books are: "a total crisis a round lead supremely, rain delay extension, lying to micro-off." The sentence. Thesaurus:  almost extinct, Pressing, If lines are not absolutely, If fat is not absolutely, Life as hanging wire, Leiluanzhiwei, emergency, Crisis such as the morning dew