首当其冲

Explanation: Chong: traffic. Metaphor was the first attack or disaster. 　　Usage: Verb-object type; as the predicate attribute; means the first attack 　　Source: Jin Chenshou "Three Kingdoms Zan Biography" Pei Song of the note cited "Emperor Xian Spring and Autumn": "cover smell bad in the past week the World, zombie blood, think not, not at the body when it washed today means." 　　Examples: Mao Zedong, "Problems of Strategy in Guerrilla War Against Japan," Chapter I: "there is no doubt, will be plain from the guerrilla base ~." 　　Results: Wash head under the tap 　　Postscript: Wash head under the tap 　　Riddle: Shower; the first attack Thesaurus:  muster up courage in the van, muster up courage try to be the first to do sth.