虎口拔牙

Explanation: Analogy is a dangerous thing to do. 　　Usage: Partial official; as object 　　Source: Element String economy "mountain National Division Quotations": "black dragon head Greeting Angular, pulling the Tigers have teeth mouth." Thesaurus:  cautious and conscientious, pull sb's chestnut out of the fire, Jaws of death as the tiger's mouth Seize food, feel like standing upon the edge of an abyss, tread on delicate ground, jitter Antonym Group:   have plenty of guts, effortlessly; as easy as to blow away the dust; with the slightest effort, just a small effort, Nothing be afraid of, Wusuo scruple, not care a bean (s), Just full of bile, audacious in the extreme; with reckless daring, Daringness Bao Shen, Bold, such as bucket, rush in where angels fear to tread