蝮蛇螫手，壮士解

Explanation: Wrist was bitten by a snake belly, they immediately cut off, so as not to extend the venom of the body, life-threatening. Analogy matter comes to the crunch, you must be determined to act decisively. Also be used to sacrifice the local, to take care of the overall situation. 　　Usage: Complex sentence; for clause; metaphor at the expense of local, global care 　　Source: Sima Guang Song, "Mirror Emperor Wu in the Chase two years": "snake bites hand, wrist warrior solution. Cut that is its class, is good luck also." 　　Examples: ~, Despite the nickname Little Hero worketh righteousness, this greed to accommodate the title, the real barbarians by vocal abuse, but also fear and bite no umbilical. ("Orientation of" forty-sixth back) Thesaurus:  Fushijiewan, Adder sting hand heroic man dispel wrist