Explanation: The same as his right-hand man. Metaphor very capable assistant. Analogy is also very close relationship between the two, or with very well. Source: "Historical Records Huaiyin Hou biography" People have made the saying 'what the prime minister dead. 'The furious, such as loss of right-hand man. " Examples: McCain's visit with the pro-marriage week, ~, security has broken his left hand and right hand man who should not be peace! ("Book of Jin Chuan Tao Kan")